12 Days of Christmas
874
99 Bottles of Beer
717
Abundant Numbers
797
204
Abundant Numbers (Long)
798
197
Arabic to Roman
571
Arithmetic Numbers
655
Arrows
545
Ascending Primes
495
ASCII Table
409
Billiards
371
Card Number Validation
477
Catalan Numbers
42
400
Catalan’s Constant
96
Christmas Trees
474
Collatz
837
761
Cubes
543
Day of Week
693
Diamonds
394
Divisors
816
Emirp Numbers
434
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
905593482442544605465536515355559647640904
Foo Fizz Buzz Bar
866
797
Fractions
620
Happy Numbers
599
522
Happy Numbers (Long)
580
505
Intersection
545
ISBN
435
Jacobi Symbol
568
Kolakoski Constant
90
Leap Years
796
526
Lucky Numbers
352
Morse Decoder
119
Morse Encoder
158
Niven Numbers
556
826
Niven Numbers (Long)
623
781
Number Spiral
427
Odious Numbers
476
361
561
Odious Numbers (Long)
483
368
530
Ordinal Numbers
558
PalindromemordnilaP
540
Pangram Grep
748
Pascal’s Triangle
727
Pernicious Numbers
403
393
Pernicious Numbers (Long)
515
514
Prime Numbers
675
917
613
Prime Numbers (Long)
761
929
610
Quine
443
Recamán
612
Rijndael S-box
279
Roman to Arabic
487
Rule 110
403
Seven Segment
650
Sierpiński Triangle
572
Spelling Numbers
649
Ten-pin Bowling
535
Tongue-twisters
770
Transpose Sentence
415
United States
Vampire Numbers
134
π
84
717
τ
713