Robert Dickau

[Help wanted: photo-doctoring expert, always]

Travelogues · Math Figures · Editorial · Words · MSI Tips · Passé

(churlish notes sent from hotel rooms, mostly true)

**Road Tripe!**(all on one huge page, but arguably the best thing here)**Starting What I Finished**(epilogue; arguably the worst thing here)

- Permutation diagrams
- Derangements
- Cyclic permutations
- Euler zigzag numbers
- Catalan numbers (with bonus Tamari lattice)
- Fuss–Catalan numbers
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Bell numbers
- Lah numbers
- Non-crossing partitions
- Ferrers boards
- Counting lattice paths
- 2-D shortest-path diagrams
- 3-D shortest-path diagrams
- 4-D shortest-path diagrams
- 5-D shortest-path diagram
- Self-avoiding paths through a grid or lattice
- Self-avoiding loops
- Delannoy, Schröder, and Motzkin numbers
- Narayana numbers
- Coin fountains
- Fibonacci numbers
- Padovan and Fibonacci spirals
- Pancake-cutting problem
- Stamp folding
- Unlabeled stamp foldings
- Symmetric stamp foldings
- Symmetric unlabeled stamp foldings
- Map folding

- Julia sets
- Inverse Julia sets
- Mandelbrot (and similar) sets
- Randelbrot set
- Newton’s method
- Variation on Newton’s method
- Chaotic magnetic-pendulum model
- Bifurcation diagram
- Hénon attractor
- Lozi attractor
- Rössler attractor
- The chaos game
- Cantor dust in 2D and 3D
- Sierpinski carpet
- Relatives of the Sierpinski gasket
- Menger sponge
- Jerusalem cube, also known as Cross Menger cube
- Variants of fractal sponges
- Sierpinski tetrahedron
- Fractal sponge slices
- 2D L-systems
- 3D L-systems
- Lebesgue curves (and friends)
- Lebesgue curves in 3D
- Sierpinski arrowhead curve (and friends) in 2D and 3D
- Hilbert and Moore curves in 2D and 3D
- Hilbert curves in 4D
- Greek cross fractal in 2D and 3D
- Koch surface fractals
- Wunderlich curves in 2D and 3D
- Schoenberg curve in 2D and 3D
- Hironaka’s curve in 2D and 3D
- Typeset fractals

- Continued fractions
- Drawing ovals
- Web2 word graph
- Self-referential sentences
- Harmonic numbers and the book-stacking problem
- One-sided toroidal polyhedra
- Doubly recursive integer factorizations
- Polygonal numbers (from Eric Weisstein’s MathWorld)
~~Billiards diagrams (in Ivars Peterson’s MathLand)~~[dead link]

- Favorite and least favorite words and phrases
- Windows Installer (MSI) tips

- Oxymorons
- Anagrams
- Mnemonic devices
- Oddities (quasi-tautonyms)

- Ancient good coffee/bad coffee diptych
- Math coffee
- Hypnotic Planes screen saver for Windows 9x/NT/2000/XP (about 25K) (of historical interest only, only to me: my first Win32 program)
- Failures

- Knowing my limitations
- Not sleeping
- Solipsism
- Spinning my wheels (“robbing Peter to pay Peter”)
- Buying can openers that don’t work (“can’t openers”?)
- Buffoonery, japery, insolence
- Suffering fools gladly
- Waiting and seeing
- Taking No for an answer
- Eating every meal at the Waffle House, when there’s one nearby
- Repeating myself
- Not working out
- Not knowing when to stop
- Keeping it all bottled up inside
- Not letting go

© 1996–2021 Robert Dickau.

Hair by static electricity.

Remember: an interjection starts a sentence right.

- Last modified 2021-01-27 at 25:00:00.

www.robertdickau.com