12 Days of Christmas
944
99 Bottles of Beer
787
Abundant Numbers
667607
Abundant Numbers (Long)
789
Arithmetic Numbers
605
ASCII Table
837
Catalan Numbers
205
Catalan’s Constant
68
Christmas Trees
803
Collatz
783810
CSS Colors
971
Cubes
591
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)
442
Intersection
457
Kolakoski Constant
78
Kolakoski Sequence
19
Leap Years
1,000
Leyland Numbers
492
Look and Say
504
Lucky Numbers
524
Morse Decoder
374
Niven Numbers
718
Niven Numbers (Long)
974
Number Spiral
376
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
154
Rock-paper-scissors-Spock-lizard
554
Roman to Arabic
451
Seven Segment
278
Sierpiński Triangle
255
Sudoku
301
Tongue-twisters
634
United States
307120
Vampire Numbers
121
π
53
τ
53