12 Days of Christmas
874
99 Bottles of Beer
685
Abundant Numbers
738
Abundant Numbers (Long)
877
Arithmetic Numbers
724
Arrows
244
ASCII Table
596
Card Number Validation
646
Christmas Trees
635
Collatz
913
CSS Colors
244
Day of Week
500
Diamonds
466
Divisors
491984
Emirp Numbers
611
Emirp Numbers (Long)
688
Emojify
297
Evil Numbers
872
Evil Numbers (Long)
850
Factorial Factorisation
323
Farey Sequence
641
Fibonacci
935
Fizz Buzz
855710977375
Foo Fizz Buzz Bar
323
986
Forsyth–Edwards Notation
652
Fractions
661
Happy Numbers
632
Happy Numbers (Long)
728
ISBN
774
Leap Years
815
Look and Say
476
Lucky Numbers
499
Morse Encoder
252
Niven Numbers
760
Niven Numbers (Long)
828
Number Spiral
247
Odious Numbers
852
Odious Numbers (Long)
848
Ordinal Numbers
680
Pangram Grep
910
Pascal’s Triangle
835
Pernicious Numbers
798
Prime Numbers
934
Prime Numbers (Long)
702
Quine
946
Recamán
727
Rijndael S-box
212
ROT13
523
Seven Segment
430
Smith Numbers
548
Spelling Numbers
372
Star Wars GPT
602
Tic-tac-toe
546
Time Distance
663
Tongue-twisters
487
United States
287
Zeckendorf Representation
767
π
407
φ
594
√2
981
𝑒
978