12 Days of Christmas
74
24 Game
11
99 Bottles of Beer
385
Abundant Numbers
272
Abundant Numbers (Long)
263
Arabic to Roman
475
Arithmetic Numbers
321
Arrows
303
ASCII Table
247
Catalan Numbers
301
Christmas Trees
610
Collatz
722
CSS Colors
925
Day of Week
1,000
Divisors
603
Emojify
369
Evil Numbers
418
Evil Numbers (Long)
435
Fibonacci
588
Fizz Buzz
806
Foo Fizz Buzz Bar
819
Happy Numbers
244
ISBN
496
Kolakoski Sequence
18
Leap Years
588
Leyland Numbers
680
Look and Say
381
Lucky Numbers
10
Niven Numbers
347
Number Spiral
231
Odious Numbers
386
Odious Numbers (Long)
434
Ordinal Numbers
372
Pangram Grep
572
Pascal’s Triangle
597
Pernicious Numbers
199
Recamán
466
Reverse Polish Notation
223
Rijndael S-box
107
Roman to Arabic
395
Rule 110
6
Spelling Numbers
216
Tongue-twisters
335
United States
168