12 Days of Christmas
818
24 Game
420
99 Bottles of Beer
718
Abundant Numbers
805552
785
Abundant Numbers (Long)
917
Arithmetic Numbers
866
Catalan Numbers
840
Christmas Trees
836
Collatz
836800
CSS Colors
216
Cubes
567
Diamonds
567
Divisors
749
984935
Emirp Numbers
332473
614
Emirp Numbers (Long)
589
Emojify
417
Evil Numbers
446
873
Evil Numbers (Long)
851
Factorial Factorisation
666
Farey Sequence
427
Fibonacci
675
790
935
Fizz Buzz
596992
977
Foo Fizz Buzz Bar
987
Fractions
688
Gijswijt’s Sequence
334
Happy Numbers
769
Happy Numbers (Long)
874
Inventory Sequence
842
Kolakoski Sequence
279
773662
Leap Years
831823
Leyland Numbers
960
ln 2
780
Look and Say
783
Lucky Numbers
573
681
Mandelbrot
724
Morse Decoder
374
Morse Encoder
381
N Queens
546
Niven Numbers
385
941
Niven Numbers (Long)
889
Odious Numbers
441
852
Odious Numbers (Long)
849
Ordinal Numbers
806
Pangram Grep
911
Pascal’s Triangle
908540
Pernicious Numbers
767
Pernicious Numbers (Long)
904
Prime Numbers
769425
913
Prime Numbers (Long)
952
Quine
947
Recamán
400
840
Reverse Polish Notation
772
Seven Segment
420
586
Sierpiński Triangle
400
533
Tic-tac-toe
520
Tongue-twisters
590
Trinomial Triangle
812
Vampire Numbers
98
830
Van Eck Sequence
773
π
89
𝑒
618