12 Days of Christmas
766
24 Game
304
99 Bottles of Beer
602
Abundant Numbers
600
Abundant Numbers (Long)
721
Arabic to Roman
461
Arithmetic Numbers
652
Arrows
298
Ascending Primes
338
ASCII Table
465
Card Number Validation
491
Catalan Numbers
506
Catalan’s Constant
121
Christmas Trees
626
Collatz
707656730
900753841819
800
CSS Colors
180
Day of Week
833
Divisors
769
738563586905
Emirp Numbers
420
Emirp Numbers (Long)
466
Emojify
281300
Evil Numbers
727
Evil Numbers (Long)
719
Factorial Factorisation
333
Farey Sequence
413
Fibonacci
947
Fizz Buzz
727
862684921373
Foo Fizz Buzz Bar
725
902688
Forsyth–Edwards Notation
437
Fractions
635
Happy Numbers
456
Happy Numbers (Long)
526
Hexdump
484
537
Intersection
468
Inventory Sequence
524
ISBN
641
Jacobi Symbol
444
Kolakoski Constant
73
Kolakoski Sequence
26
Leap Years
606
Leyland Numbers
584
ln 2
52
Look and Say
685
Lucky Numbers
587
Lucky Tickets
375
Maze
209203254
Morse Decoder
101
Morse Encoder
110
N Queens
377
Niven Numbers
657
Niven Numbers (Long)
725
Number Spiral
216
Odious Numbers
755
Odious Numbers (Long)
745
Ordinal Numbers
534643475575
PalindromemordnilaP
769
Pangram Grep
766
Pascal’s Triangle
388
Pernicious Numbers
339
Pernicious Numbers (Long)
430
Polyominoes
200
Prime Numbers
412
Prime Numbers (Long)
444
Quine
969893
Recamán
550
Repeating Decimals
329
Rijndael S-box
93
Rock-paper-scissors-Spock-lizard
269
Roman to Arabic
519
ROT13
453
Seven Segment
364
Sierpiński Triangle
454
Smith Numbers
464
Spelling Numbers
315
Sudoku
304
Sudoku (Fill-in)
160
Time Distance
498
469
Tongue-twisters
501
Transpose Sentence
601
306680
United States
131
Vampire Numbers
366
Van Eck Sequence
629
Zeckendorf Representation
425
529767538
γ
77
λ
162
π
64
τ
64
φ
616
√2
48
𝑒
47