12 Days of Christmas
352
24 Game
156
99 Bottles of Beer
345
Abundant Numbers
576
Abundant Numbers (Long)
640
Arabic to Roman
327
Arithmetic Numbers
554
Ascending Primes
294
Card Number Validation
392
Catalan Numbers
506
Catalan’s Constant
101
Christmas Trees
545
Collatz
620
CSS Colors
78
Day of Week
667
Divisors
586857
Emirp Numbers
340
Emirp Numbers (Long)
387
Emojify
236269
Evil Numbers
727
Evil Numbers (Long)
719
Factorial Factorisation
264
Farey Sequence
363
Fibonacci
947
Fizz Buzz
800
841336
Foo Fizz Buzz Bar
725
717571
Fractions
539
Happy Numbers
353
Happy Numbers (Long)
445
Hexdump
341
Intersection
342
ISBN
444
Jacobi Symbol
322
Kolakoski Constant
62
Kolakoski Sequence
26
Leap Years
606
Leyland Numbers
496
ln 2
51
Look and Say
556
Lucky Numbers
576
Lucky Tickets
274
Morse Decoder
115
Morse Encoder
126
N Queens
282
Niven Numbers
657
Niven Numbers (Long)
725
Number Spiral
176
Odious Numbers
755
Odious Numbers (Long)
745
Ordinal Numbers
534500455245
PalindromemordnilaP
625
Pangram Grep
649
Pascal’s Triangle
360
Pernicious Numbers
339
Pernicious Numbers (Long)
421
Polyominoes
143
Prime Numbers
412
Prime Numbers (Long)
444
Quine
969893
Recamán
444
Repeating Decimals
240
Rijndael S-box
65
Roman to Arabic
392
Seven Segment
266
Sierpiński Triangle
422
Spelling Numbers
184
Time Distance
255
Tongue-twisters
282
Transpose Sentence
601
306539
United States
94
Vampire Numbers
269
Zeckendorf Representation
425
529555477
φ
605