12 Days of Christmas
879
99 Bottles of Beer
689
Abundant Numbers
750
Abundant Numbers (Long)
899
Arithmetic Numbers
745
Arrows
251
ASCII Table
604
Card Number Validation
675
Christmas Trees
646
Collatz
932
CSS Colors
256
Day of Week
521
Diamonds
475
Divisors
5251,000
Emirp Numbers
624
Emirp Numbers (Long)
710
Emojify
303
Evil Numbers
889
Evil Numbers (Long)
872
Factorial Factorisation
335
Farey Sequence
667
Fibonacci
947
Fizz Buzz
873735983407
Foo Fizz Buzz Bar
335
1,000
Forsyth–Edwards Notation
674
Fractions
682
Happy Numbers
646
Happy Numbers (Long)
750
ISBN
798
Leap Years
827
Look and Say
490
Lucky Numbers
514
Morse Encoder
258
Niven Numbers
772
Niven Numbers (Long)
847
Number Spiral
256
Odious Numbers
870
Odious Numbers (Long)
872
Ordinal Numbers
698
Pangram Grep
935
Pascal’s Triangle
857
Pernicious Numbers
816
Prime Numbers
952
Prime Numbers (Long)
721
Quine
969
Recamán
744
Rijndael S-box
221
ROT13
548
Seven Segment
440
Smith Numbers
568
Spelling Numbers
388
Star Wars GPT
641
Tic-tac-toe
571
Time Distance
678
Tongue-twisters
490
United States
293
Zeckendorf Representation
806
π
417
φ
609
√2
1,000
𝑒
1,000