12 Days of Christmas
929
99 Bottles of Beer
778
Abundant Numbers
630594
Abundant Numbers (Long)
724
Arithmetic Numbers
545
ASCII Table
791
Catalan Numbers
191
Catalan’s Constant
63
Christmas Trees
761
Collatz
733732
CSS Colors
951
Cubes
568
Day of Week
1,000
Diamonds
396
Divisors
603872
Emirp Numbers
390
Emojify
278
Evil Numbers
404
Evil Numbers (Long)
451
Farey Sequence
474
Fibonacci
835932
Fizz Buzz
981926435
Foo Fizz Buzz Bar
959896
Fractions
432
Happy Numbers
458
Happy Numbers (Long)
403
Intersection
403
Kolakoski Constant
72
Kolakoski Sequence
18
Leap Years
974
Leyland Numbers
451
Look and Say
464
Lucky Numbers
478
Morse Decoder
355
Niven Numbers
676
Niven Numbers (Long)
896
Number Spiral
337
Odious Numbers
399
Odious Numbers (Long)
448
Ordinal Numbers
639
Pangram Grep
581
Pascal’s Triangle
559
Pernicious Numbers
211
Prime Numbers
592
Prime Numbers (Long)
312
Quine
940
Recamán
465
Rijndael S-box
143
Rock-paper-scissors-Spock-lizard
526
Roman to Arabic
419
Seven Segment
253
Sierpiński Triangle
239
Sudoku
277
Tongue-twisters
625
United States
292116
Vampire Numbers
110
π
50
τ
49