12 Days of Christmas
170
24 Game
25
99 Bottles of Beer
645
Abundant Numbers
279
Abundant Numbers (Long)
311
Arabic to Roman
534
Arithmetic Numbers
381
Arrows
267
ASCII Table
271
Catalan Numbers
306
Christmas Trees
625
Collatz
720
CSS Colors
933
Day of Week
1,000
Divisors
621
Emojify
353
Evil Numbers
421
Evil Numbers (Long)
473
Fibonacci
594
Fizz Buzz
818
Foo Fizz Buzz Bar
885
Happy Numbers
374
ISBN
551
Kolakoski Sequence
18
Leap Years
597
Leyland Numbers
696
Look and Say
396
Lucky Numbers
11
Niven Numbers
361
Number Spiral
276
Odious Numbers
391
Odious Numbers (Long)
442
Ordinal Numbers
384
Pangram Grep
590
Pascal’s Triangle
605
Pernicious Numbers
203
Recamán
481
Reverse Polish Notation
228
Rijndael S-box
170
Roman to Arabic
424
Rule 110
4
Spelling Numbers
501
Tongue-twisters
582
United States
181