12 Days of Christmas
818
24 Game
420
99 Bottles of Beer
718
Abundant Numbers
806546
785
Abundant Numbers (Long)
917
Arithmetic Numbers
866
Catalan Numbers
841
Christmas Trees
836
Collatz
836800
CSS Colors
216
Cubes
567
Diamonds
567
Divisors
749
985936
Emirp Numbers
332473
614
Emirp Numbers (Long)
590
Emojify
418
Evil Numbers
446
873
Evil Numbers (Long)
851
Factorial Factorisation
666
Farey Sequence
427
Fibonacci
675
790
935
Fizz Buzz
597992
977
Foo Fizz Buzz Bar
986
Fractions
688
Gijswijt’s Sequence
334
Happy Numbers
769
Happy Numbers (Long)
874
Inventory Sequence
842
Kolakoski Sequence
279
773665
Leap Years
831824
Leyland Numbers
960
ln 2
780
Look and Say
783
Lucky Numbers
574
682
Mandelbrot
725
Morse Decoder
374
Morse Encoder
381
N Queens
546
Niven Numbers
385
942
Niven Numbers (Long)
889
Odious Numbers
442
852
Odious Numbers (Long)
849
Ordinal Numbers
796
Pangram Grep
911
Pascal’s Triangle
908541
Pernicious Numbers
767
Pernicious Numbers (Long)
904
Prime Numbers
770425
913
Prime Numbers (Long)
953
Quine
947
Recamán
400
840
Reverse Polish Notation
774
Seven Segment
420
581
Sierpiński Triangle
401
533
Tic-tac-toe
521
Tongue-twisters
591
Trinomial Triangle
814
Vampire Numbers
98
830
Van Eck Sequence
773
π
89
𝑒
618