12 Days of Christmas
91699 Bottles of Beer
840
975Abundant Numbers
851
891
933Abundant Numbers (Long)
935Arithmetic Numbers
927Ascending Primes
838ASCII Table
939Catalan Numbers
941Christmas Trees
982Collatz
961Day of Week
1,000Divisors
875
1,000Emirp Numbers
868Emojify
835Evil Numbers
879
881
964Evil Numbers (Long)
853Farey Sequence
1,000Fibonacci
962Foo Fizz Buzz Bar
963Fractions
1,000Happy Numbers
883
980Happy Numbers (Long)
1,000Hexdump
970Inventory Sequence
844ISBN
851Kolakoski Constant
937Kolakoski Sequence
865Leap Years
865
976
868Leyland Numbers
724
980Look and Say
946Medal Tally
661Musical Chords
672Niven Numbers
1,000
919Niven Numbers (Long)
1,000Number Spiral
870Odious Numbers
884
966Odious Numbers (Long)
853Ordinal Numbers
971
1,000Pangram Grep
951Pascal’s Triangle
743
1,000Pernicious Numbers
708
879Pernicious Numbers (Long)
977Prime Numbers
900
1,000Prime Numbers (Long)
1,000Quine
1,000Recamán
933Reverse Polish Notation
931Rule 110
711Seven Segment
652Sierpiński Triangle
576
847Smith Numbers
891Spelling Numbers
996
976
978Tongue-twisters
799United States
881
895Van Eck Sequence
935
1,000π
857τ
808φ
761√2
897𝑒
951