12 Days of Christmas
Abundant Numbers
3,164th2,011th
Abundant Numbers (Long)
1,751st
Arithmetic Numbers
brainfuck
Catalan Numbers
Christmas Trees
Collatz
2,273rd
Cubes
Diamonds
Divisors
4,379th4,192nd3,985th1,067th1,349th
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
3,876th
Evil Numbers (Long)
1,866th
Fibonacci
5,583rd5,492nd5,921st
Fizz Buzz
7,602nd
Foo Fizz Buzz Bar
Fractions
Game of Life
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Numbers
Morse Decoder
Niven Numbers
3,028th1,484th2,448th
Niven Numbers (Long)
Number Spiral
Odious Numbers
3,205th
Odious Numbers (Long)
1,681st
Pangram Grep
Pascal’s Triangle
1,871st
Pernicious Numbers
1,719th
Prime Numbers
4,218th
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
3,423rd
Recamán
Reverse Polish Notation
Rule 110
Seven Segment
Smith Numbers
Sudoku
Van Eck Sequence
Zodiac Signs
λ
π
τ
φ
√2
𝑒