12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
brainfuck
Catalan Numbers
691st780th
Catalan’s Constant
Christmas Trees
Collatz
1,114th1,653rd
Cubes
Day of Week
450th769th
Diamonds
Divisors
3,106th25th
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
3,060th1,898th
Evil Numbers (Long)
1,622nd1,242nd
Farey Sequence
Fibonacci
4,237th1,081st
Fizz Buzz
4,812th2,230th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
ISBN
Kolakoski Constant
Kolakoski Sequence
978th252nd
Leap Years
1,881st2,836th
Levenshtein Distance
Leyland Numbers
732nd551st
Look and Say
Lucky Numbers
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
2,547th2,072nd
Niven Numbers (Long)
1,370th1,036th
Odious Numbers
2,539th1,547th
Odious Numbers (Long)
1,479th1,087th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
QR Decoder
Quine
2,442nd698th
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
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