12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
2,514th
1,667th
1,840th
1,571st
2,317th
545th
2,058th
2,135th
1,616th
2,117th
2,568th
1,514th
1,727th
2,320th
1,054th
2,137th
2,525th
2,294th
1,877th
2,361st
390th
2,376th
2,400th
1,442nd
928th
2,352nd
2,094th
2,056th
Happy Numbers (Long)
Intersection
Leap Years
Leyland Numbers
ln 2
Look and Say
Morse Decoder
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
4,354th
Prime Numbers (Long)
Quine
Recamán
Rule 110
Seven Segment
Sierpiński Triangle
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
λ
π
τ
φ
√2
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