12 Days of Christmas
929
99 Bottles of Beer
778
Abundant Numbers
646598
Abundant Numbers (Long)
750
Arithmetic Numbers
557
ASCII Table
817
Catalan Numbers
195
Catalan’s Constant
65
Christmas Trees
779
Collatz
750736
CSS Colors
951
Cubes
570
Day of Week
1,000
Diamonds
410
Divisors
622877
Emirp Numbers
395
Emojify
281
Evil Numbers
407
Evil Numbers (Long)
458
Farey Sequence
474
Fibonacci
844935
Fizz Buzz
994929443
Foo Fizz Buzz Bar
971900
Fractions
432
Happy Numbers
467
Happy Numbers (Long)
415
Intersection
414
Kolakoski Constant
73
Kolakoski Sequence
18
Leap Years
987
Leyland Numbers
462
Look and Say
476
Lucky Numbers
489
Morse Decoder
360
Niven Numbers
703
Niven Numbers (Long)
935
Number Spiral
341
Odious Numbers
406
Odious Numbers (Long)
458
Ordinal Numbers
645
Pangram Grep
601
Pascal’s Triangle
568
Pernicious Numbers
216
Prime Numbers
595
Prime Numbers (Long)
317
Quine
951
Recamán
481
Rijndael S-box
143
Rock-paper-scissors-Spock-lizard
540
Roman to Arabic
428
Seven Segment
259
Sierpiński Triangle
246
Sudoku
277
Tongue-twisters
625
United States
298117
Vampire Numbers
111
π
51
τ
50