12 Days of Christmas
789
99 Bottles of Beer
650
Abundant Numbers
820
Abundant Numbers (Long)
890
Arabic to Roman
485
Arithmetic Numbers
886
Arrows
380
Ascending Primes
497
ASCII Table
514
brainfuck
631
Calendar
680
Card Number Validation
509
Catalan Numbers
345
Catalan’s Constant
620
Christmas Trees
697
Collatz
560753
Continued Fractions
720
CSS Colors
248
Day of Week
587
Diamonds
748
Divisors
878
Emirp Numbers
533
Emirp Numbers (Long)
612
Emojify
377
Evil Numbers
750
Evil Numbers (Long)
824
Factorial Factorisation
587
Farey Sequence
559
Fibonacci
911
Fizz Buzz
828
Foo Fizz Buzz Bar
811
Fractions
617
Happy Numbers
515
Happy Numbers (Long)
604
Hexdump
623
Intersection
629
Inventory Sequence
720
ISBN
603
Kaprekar Numbers
611
Kolakoski Constant
97
Kolakoski Sequence
257
Leap Years
913
Levenshtein Distance
386
Leyland Numbers
428
ln 2
396581
Look and Say
844
Lucky Tickets
699
Medal Tally
599
Minesweeper
370
Morse Encoder
322
Multitap Input
528
N Queens
473
Niven Numbers
795
Niven Numbers (Long)
740925
Number Spiral
345
Odious Numbers
769
Odious Numbers (Long)
842
Ordinal Numbers
680
PalindromemordnilaP
643
Pangram Grep
696
Partition Numbers
546743
Pascal’s Triangle
610
Pernicious Numbers
577
Pernicious Numbers (Long)
727
Prime Numbers
910
Prime Numbers (Long)
912
QR Decoder
446
Quine
828
Recamán
644
Repeating Decimals
594
Reverse Polish Notation
453
Rijndael S-box
202
Rock-paper-scissors-Spock-lizard
496
Roman to Arabic
436
ROT13
432
Scrambled Sort
668
Set
540
Seven Segment
613
Smith Numbers
554
Tic-tac-toe
484
Time Distance
629
Tongue-twisters
633
Tower of Hanoi
881
Transpose Sentence
577455
Trinomial Triangle
808
United States
242224
Vampire Numbers
358
Van Eck Sequence
553
Zeckendorf Representation
788
Zodiac Signs
496
γ
118
λ
179
π
238
τ
284
φ
608
√2
839
𝑒
477