12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
brainfuck
Catalan Numbers
662nd
738th
Catalan’s Constant
Christmas Trees
Collatz
1,071st
1,592nd
Cubes
Day of Week
420th
727th
Diamonds
Divisors
3,039th
23rd
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
3,001st
1,845th
Evil Numbers (Long)
1,573rd
1,201st
Farey Sequence
Fibonacci
4,125th
1,045th
Fizz Buzz
4,730th
2,188th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
ISBN
Kolakoski Constant
Kolakoski Sequence
952nd
232nd
Leap Years
1,848th
2,788th
Levenshtein Distance
Leyland Numbers
713th
532nd
Look and Say
Lucky Numbers
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
2,494th
2,034th
Niven Numbers (Long)
1,317th
1,007th
Odious Numbers
2,487th
1,513th
Odious Numbers (Long)
1,428th
1,055th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
QR Decoder
Quine
2,373rd
589th
Recamán
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Time Distance
United States
Van Eck Sequence
π
τ
φ
√2
𝑒