12 Days of Christmas
891
Abundant Numbers
691
Arithmetic Numbers
590
917
Arrows
758
Ascending Primes
871
Christmas Trees
903
Collatz
879
CSS Colors
829
DFA Simulator
717
Diamonds
881
Divisors
632
979
Evil Numbers
422
980
Factorial Factorisation
454
Fibonacci
905650758932
Fizz Buzz
889
807973
Foo Fizz Buzz Bar
897
Fractions
876
Intersection
799
Leap Years
681
645863
Levenshtein Distance
754
Leyland Numbers
824
Look and Say
916
Medal Tally
821
Morse Decoder
604
Musical Chords
845
565
Niven Numbers
819
Niven Numbers (Long)
775
895
Odious Numbers
429
976
Ordinal Numbers
570
893
Pernicious Numbers
493
Poker
910
718
Prime Numbers
621
Quine
986
945
Recamán
736
Repeating Decimals
534
Reverse Polish Notation
693
Rock-paper-scissors-Spock-lizard
879
Sierpiński Triangle
672
Spelling Numbers
Ten-pin Bowling
840
Tongue-twisters
930
United States
894
841
Vampire Numbers
883
φ
740
√2
770