12 Days of Christmas
874
99 Bottles of Beer
715
Abundant Numbers
763
197
Abundant Numbers (Long)
760
188
Arabic to Roman
568
Arithmetic Numbers
620
Arrows
535
Ascending Primes
490
ASCII Table
398
Billiards
353
Card Number Validation
456
Catalan Numbers
38
389
Catalan’s Constant
95
Christmas Trees
467
Collatz
821
734
Cubes
409
Day of Week
641
Diamonds
378
Divisors
804
Emirp Numbers
428
625
Emirp Numbers (Long)
541
557
Emojify
534
Evil Numbers
451
356
598
Evil Numbers (Long)
496
368
581
Factorial Factorisation
87
Farey Sequence
507
Fibonacci
671411
598
360
Fizz Buzz
889580479440535595456530508349554629638887
Foo Fizz Buzz Bar
853
778
Fractions
623
Happy Numbers
587
508
Happy Numbers (Long)
554
495
Intersection
525
ISBN
421
Jacobi Symbol
568
Kolakoski Constant
88
Leap Years
773
518
Lucky Numbers
339
Morse Decoder
117
Morse Encoder
156
Niven Numbers
538
789
Niven Numbers (Long)
599
732
Number Spiral
385
Odious Numbers
469
349
551
Odious Numbers (Long)
474
354
515
Ordinal Numbers
549
PalindromemordnilaP
448
Pangram Grep
725
Pascal’s Triangle
718
Pernicious Numbers
397
384
Pernicious Numbers (Long)
499
493
Prime Numbers
675
902
609
Prime Numbers (Long)
756
902
599
Quine
441
Recamán
577
Rijndael S-box
224
Roman to Arabic
474
Rule 110
390
Seven Segment
640
Sierpiński Triangle
553
Spelling Numbers
601
Ten-pin Bowling
423
Tongue-twisters
771
Transpose Sentence
387
United States
Vampire Numbers
131
π
84
711
τ
701