12 Days of Christmas
78
24 Game
13
99 Bottles of Beer
385
Abundant Numbers
277
Abundant Numbers (Long)
309
Arabic to Roman
477
Arithmetic Numbers
347
Arrows
319
ASCII Table
247
Catalan Numbers
307
Christmas Trees
620
Collatz
732
CSS Colors
933
Day of Week
1,000
Divisors
622
Emojify
376
Evil Numbers
422
Evil Numbers (Long)
474
Fibonacci
595
Fizz Buzz
812
Foo Fizz Buzz Bar
827
Happy Numbers
249
ISBN
505
Kolakoski Sequence
18
Leap Years
595
Leyland Numbers
696
Look and Say
396
Lucky Numbers
10
Niven Numbers
357
Number Spiral
236
Odious Numbers
392
Odious Numbers (Long)
443
Ordinal Numbers
381
Pangram Grep
588
Pascal’s Triangle
605
Pernicious Numbers
204
Recamán
479
Reverse Polish Notation
228
Rijndael S-box
108
Roman to Arabic
408
Rule 110
6
Spelling Numbers
263
Tongue-twisters
338
United States
169