12 Days of Christmas
79
24 Game
13
99 Bottles of Beer
400
Abundant Numbers
276
Abundant Numbers (Long)
308
Arabic to Roman
499
Arithmetic Numbers
349
Arrows
319
ASCII Table
246
Catalan Numbers
306
Christmas Trees
619
Collatz
714
CSS Colors
923
Day of Week
1,000
Divisors
621
Emojify
376
Evil Numbers
421
Evil Numbers (Long)
473
Fibonacci
594
Fizz Buzz
812
Foo Fizz Buzz Bar
826
Happy Numbers
249
ISBN
545
Kolakoski Sequence
18
Leap Years
595
Leyland Numbers
695
Look and Say
396
Lucky Numbers
11
Niven Numbers
356
Number Spiral
239
Odious Numbers
391
Odious Numbers (Long)
442
Ordinal Numbers
380
Pangram Grep
587
Pascal’s Triangle
605
Pernicious Numbers
204
Recamán
478
Reverse Polish Notation
228
Rijndael S-box
130
Roman to Arabic
407
Rule 110
6
Spelling Numbers
272
Tongue-twisters
343
United States
177