12 Days of Christmas
871
99 Bottles of Beer
844
Abundant Numbers
821
Abundant Numbers (Long)
863
Arithmetic Numbers
839
Arrows
417
ASCII Table
751
brainfuck
315
Card Number Validation
732
Catalan Numbers
584
Catalan’s Constant
469
Christmas Trees
716
Collatz
890
CSS Colors
231
Cubes
407
Divisors
799
Emirp Numbers
550
Emirp Numbers (Long)
579
Emojify
512
Evil Numbers
733
Evil Numbers (Long)
746
Factorial Factorisation
611
Fibonacci
752
Fizz Buzz
957
Foo Fizz Buzz Bar
841
Fractions
695
Happy Numbers
530
Happy Numbers (Long)
106
ISBN
715
Kaprekar Numbers
692
Kolakoski Constant
588
Kolakoski Sequence
738
Leap Years
717
Leyland Numbers
656
ln 2
822
Look and Say
584
Lucky Numbers
410
Morse Encoder
445
N Queens
126
Niven Numbers
976
Niven Numbers (Long)
775
Number Spiral
264
Odious Numbers
731
Odious Numbers (Long)
744
Ordinal Numbers
969
PalindromemordnilaP
577
Pangram Grep
535
Pascal’s Triangle
623
Pernicious Numbers
476
Pernicious Numbers (Long)
473
Polyominoes
41
Prime Numbers
896
871
Prime Numbers (Long)
662
Quine
865
Recamán
650
Rijndael S-box
170
Roman to Arabic
343
Seven Segment
440
Sierpiński Triangle
186
Smith Numbers
599
Star Wars Opening Crawl
55
Sudoku
290
Sudoku (Fill-in)
135
Tongue-twisters
516
United States
298
Vampire Numbers
95
Van Eck Sequence
492
π
692
τ
692
φ
872
794
√2
879
717
𝑒
816
572