12 Days of Christmas
873
99 Bottles of Beer
709
Abundant Numbers
796
204
Abundant Numbers (Long)
797
197
Arabic to Roman
559
Arithmetic Numbers
655
Arrows
545
Ascending Primes
495
ASCII Table
409
Billiards
362
Card Number Validation
476
Catalan Numbers
43
400
Catalan’s Constant
96
Christmas Trees
474
Collatz
837
761
Cubes
543
Day of Week
692
Diamonds
394
Divisors
816
Emirp Numbers
433
634
Emirp Numbers (Long)
555
573
Emojify
538
Evil Numbers
453
364
604
Evil Numbers (Long)
501
378
592
Factorial Factorisation
97
Farey Sequence
507
Fibonacci
679425
619
365
Fizz Buzz
904593481442544605465536514354558647640904
Foo Fizz Buzz Bar
856
797
Fractions
620
Happy Numbers
599
522
Happy Numbers (Long)
580
505
Intersection
545
ISBN
432
Jacobi Symbol
567
Kolakoski Constant
89
Leap Years
796
526
Lucky Numbers
352
Morse Decoder
119
Morse Encoder
158
Niven Numbers
556
826
Niven Numbers (Long)
622
780
Number Spiral
427
Odious Numbers
476
361
561
Odious Numbers (Long)
483
368
530
Ordinal Numbers
558
PalindromemordnilaP
472
Pangram Grep
746
Pascal’s Triangle
726
Pernicious Numbers
274
393
Pernicious Numbers (Long)
348
514
Prime Numbers
674
917
613
Prime Numbers (Long)
761
929
610
Quine
442
Recamán
611
Rijndael S-box
346
Roman to Arabic
437
Rule 110
401
Seven Segment
647
Sierpiński Triangle
566
Spelling Numbers
645
Ten-pin Bowling
569
Tongue-twisters
770
Transpose Sentence
413
United States
Vampire Numbers
134
π
85
717
τ
713