12 Days of Christmas
168
24 Game
25
99 Bottles of Beer
642
Abundant Numbers
279
Abundant Numbers (Long)
312
Arabic to Roman
523
Arithmetic Numbers
374
Arrows
267
ASCII Table
271
Catalan Numbers
306
Christmas Trees
625
Collatz
737
CSS Colors
933
Day of Week
1,000
Divisors
622
Emojify
354
Evil Numbers
421
Evil Numbers (Long)
474
Fibonacci
594
Fizz Buzz
818
Foo Fizz Buzz Bar
885
Happy Numbers
375
ISBN
511
Kolakoski Sequence
18
Leap Years
597
Leyland Numbers
697
Look and Say
396
Lucky Numbers
10
Niven Numbers
361
Number Spiral
271
Odious Numbers
392
Odious Numbers (Long)
443
Ordinal Numbers
384
Pangram Grep
590
Pascal’s Triangle
605
Pernicious Numbers
204
Recamán
481
Reverse Polish Notation
228
Rijndael S-box
171
Roman to Arabic
425
Rule 110
4
Spelling Numbers
483
Tongue-twisters
582
United States
181