dear oeis, this is my personal page! one of my favorite sequences is: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, 31131211131221, 13211311123113112211...
here, play solitaire
here, turn an image to plain text
here, play the latest version of my super mario bros. nes remake (mobile version)

touch test

a semi-functional rubiks cube


geometry construction


platformer


minesweeper


play chess on a 5 sided board, or 6 sides, 7... 8.. 9 10 11 12 13 14 15 20 50 ...3 ....2

my circuit simulator