12 Days of Christmas
763
99 Bottles of Beer
693
Abundant Numbers
759
Abundant Numbers (Long)
808
Alphabetic Numbers
801
Arabic to Roman
978
Arithmetic Numbers
379
Arrows
412
Ascending Primes
357
ASCII Table
437
Card Number Validation
427
Catalan Numbers
904
Catalan’s Constant
90
Christmas Trees
542
Collatz
795
CSS Colors
184
Cubes
372
Day of Week
211
Diamonds
234
Divisors
741
Emirp Numbers
541
Emirp Numbers (Long)
637
307
Evil Numbers
920
Evil Numbers (Long)
910
Factorial Factorisation
328
Farey Sequence
313
Fibonacci
701
Fizz Buzz
760
986
957
Foo Fizz Buzz Bar
638
862
Forsyth–Edwards Notation
620
Fractions
774
Gijswijt’s Sequence
255
Happy Numbers
435
Happy Numbers (Long)
554
Intersection
472
Inventory Sequence
481
ISBN
658
Jacobi Symbol
532
Kolakoski Constant
111
Kolakoski Sequence
525
Leap Years
660
Levenshtein Distance
618
Leyland Numbers
483
ln 2
259
Look and Say
553
Lucky Numbers
544
Lucky Tickets
521
Morse Decoder
227
Morse Encoder
439
N Queens
542
Niven Numbers
541
Niven Numbers (Long)
710
Number Spiral
572
Odious Numbers
915
Odious Numbers (Long)
908
Ordinal Numbers
718
PalindromemordnilaP
375
Pangram Grep
856
Partition Numbers
513
Pascal’s Triangle
311
Pernicious Numbers
421
Pernicious Numbers (Long)
471
Prime Numbers
557
Prime Numbers (Long)
561
Quine
986359864467344449682514555933662731557672938553583821953946342920642666
Recamán
694
Repeating Decimals
447
Reverse Polish Notation
531
Rijndael S-box
489
Rock-paper-scissors-Spock-lizard
417
Roman to Arabic
664
Scrambled Sort
585
Seven Segment
427
Sierpiński Triangle
528
Smith Numbers
726
Spelling Numbers
1,000
Sphenic Numbers
281
Star Wars Opening Crawl
243
Taxicab Numbers
501
Tic-tac-toe
685
Time Distance
666
Tongue-twisters
691
Tower of Hanoi
810
Transpose Sentence
315
Trinomial Triangle
408
Ulam Sequence
205
United States
504
Van Eck Sequence
560
λ
206
π
138
τ
48
φ
49
√2
753
𝑒
37