12 Days of Christmas
168
24 Game
25
99 Bottles of Beer
641
Abundant Numbers
272
Abundant Numbers (Long)
301
Arabic to Roman
521
Arithmetic Numbers
366
Arrows
264
ASCII Table
263
Catalan Numbers
301
Christmas Trees
611
Collatz
721
CSS Colors
924
Day of Week
1,000
Divisors
603
Emojify
350
Evil Numbers
418
Evil Numbers (Long)
467
Fibonacci
588
Fizz Buzz
808
Foo Fizz Buzz Bar
874
Happy Numbers
368
ISBN
495
Kolakoski Sequence
18
Leap Years
589
Leyland Numbers
679
Look and Say
387
Lucky Numbers
10
Niven Numbers
347
Number Spiral
268
Odious Numbers
385
Odious Numbers (Long)
433
Ordinal Numbers
381
Pangram Grep
572
Pascal’s Triangle
596
Pernicious Numbers
199
Recamán
465
Reverse Polish Notation
228
Rijndael S-box
144
Roman to Arabic
416
Rule 110
4
Spelling Numbers
485
Tongue-twisters
582
United States
178