12 Days of Christmas
549
662
99 Bottles of Beer
379
743
Abundant Numbers
813
Arabic to Roman
775
333
Arrows
425
ASCII Table
407
brainfuck
329
Christmas Trees
766
530
Collatz
813
CSS Colors
159
Cubes
288
Day of Week
751
Diamonds
263
597
562
Divisors
833
886728
Emirp Numbers
628
732
Emojify
498
Evil Numbers
919
669
Fibonacci
921
764
Fizz Buzz
2552715463844664156695243255654218
930429396751602
Foo Fizz Buzz Bar
843
Fractions
565
Happy Numbers
675
481
Intersection
650
ISBN
709
Kaprekar Numbers
139
Kolakoski Sequence
546
Leap Years
888
598
Levenshtein Distance
345
Leyland Numbers
221
Look and Say
784
Lucky Tickets
204
Morse Decoder
184
Morse Encoder
582
Niven Numbers
779
789
Number Spiral
261
Odious Numbers
915
685
Ordinal Numbers
963
Pangram Grep
852
826
Pascal’s Triangle
752
393
766
Pernicious Numbers
453
516
Poker
333
Prime Numbers
698
377
838
Quine
345
864
371528582413
Recamán
572
Rock-paper-scissors-Spock-lizard
350
Roman to Arabic
197
310
Rule 110
217
Seven Segment
224
388
Sierpiński Triangle
586
538
Smith Numbers
94
Spelling Numbers
361
Sudoku
174
Ten-pin Bowling
213
Tongue-twisters
550
United States
835
Vampire Numbers
168
Van Eck Sequence
607
λ
214
217
π
121
τ
242
φ
374
√2
170
𝑒
618