12 Days of Christmas
956
99 Bottles of Beer
791
Abundant Numbers
667607
Abundant Numbers (Long)
789
Arithmetic Numbers
620
ASCII Table
837
Catalan Numbers
205
Catalan’s Constant
68
Christmas Trees
803
Collatz
833810
CSS Colors
971
Cubes
600
Day of Week
1,000
Diamonds
424
Divisors
640891
Emirp Numbers
418
Emojify
293
Evil Numbers
424
Evil Numbers (Long)
483
Farey Sequence
506
Fibonacci
871947
Fizz Buzz
1,000935489
Foo Fizz Buzz Bar
1,000912
Fractions
469
Happy Numbers
491
Happy Numbers (Long)
458
Intersection
457
Kolakoski Constant
78
Kolakoski Sequence
19
Leap Years
1,000
Leyland Numbers
492
Look and Say
504
Lucky Numbers
544
Morse Decoder
377
Niven Numbers
718
Niven Numbers (Long)
974
Number Spiral
384
Odious Numbers
421
Odious Numbers (Long)
483
Ordinal Numbers
675
Pangram Grep
627
Pascal’s Triangle
606
Pernicious Numbers
222
Prime Numbers
622
Prime Numbers (Long)
337
Quine
1,000
Recamán
500
Rijndael S-box
185
Rock-paper-scissors-Spock-lizard
567
Roman to Arabic
451
Seven Segment
304
Sierpiński Triangle
255
Sudoku
308
Tongue-twisters
634
United States
307131
Vampire Numbers
135
π
53
τ
53