12 Days of Christmas
933
Abundant Numbers
735
Abundant Numbers (Long)
794
Arabic to Roman
984
957
Arithmetic Numbers
811
Ascending Primes
617621
Billiards
814
Card Number Validation
779
Catalan Numbers
907
Christmas Trees
857
Collatz
908
Day of Week
847
Diamonds
643
Divisors
764
Emirp Numbers
675
Emirp Numbers (Long)
641
Evil Numbers
919
Evil Numbers (Long)
912
Factorial Factorisation
819
Farey Sequence
741
Fibonacci
939
785
Fizz Buzz
960
916
Foo Fizz Buzz Bar
914
830
Forsyth–Edwards Notation
862
Fractions
863
Happy Numbers
659
Happy Numbers (Long)
790
Intersection
750
Inventory Sequence
580
ISBN
908
Kaprekar Numbers
633
Kolakoski Constant
687
Kolakoski Sequence
866
Leap Years
855
Levenshtein Distance
624
Leyland Numbers
839
ln 2
959
Look and Say
797
N Queens
742
Niven Numbers
853921
Niven Numbers (Long)
807842
Odious Numbers
920
Odious Numbers (Long)
915
Ordinal Numbers
834
PalindromemordnilaP
840
Pangram Grep
884
Pascal’s Triangle
676
Pernicious Numbers
807977
Pernicious Numbers (Long)
750
Prime Numbers
865
Prime Numbers (Long)
800
Quine
946
899
Recamán
786
Reverse Polish Notation
677
Roman to Arabic
771
ROT13
8339487601,000
Seven Segment
674
Sierpiński Triangle
753
Spelling Numbers
1,000
Star Wars Opening Crawl
540
Transpose Sentence
840
United States
473
Van Eck Sequence
880
Zeckendorf Representation
739
λ
228
π
898747
τ
848
φ
859
√2
874
750
𝑒
684