12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
1,637th
Abundant Numbers (Long)
1,145th
Arabic to Roman
Arrows
ASCII Table
543rd
brainfuck
428th
Catalan Numbers
1,202nd
Catalan’s Constant
778th
Christmas Trees
Collatz
959th
CSS Colors
570th
Cubes
Day of Week
Diamonds
1,243rd
Divisors
2,386th
Emirp Numbers
1,420th
Emirp Numbers (Long)
830th
Emojify
Evil Numbers
2,876th
Evil Numbers (Long)
1,528th
Fibonacci
5,866th
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
1,481st
Happy Numbers
1,676th
Happy Numbers (Long)
Hexdump
482nd
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
575th
Kolakoski Constant
407th
Kolakoski Sequence
1,038th
Leap Years
1,455th
Levenshtein Distance
276th
Leyland Numbers
483rd
Look and Say
590th
Lucky Numbers
811th
Lucky Tickets
488th
Medal Tally
330th
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
608th
Niven Numbers (Long)
768th
Number Spiral
418th
Odious Numbers
2,285th
Odious Numbers (Long)
1,456th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
1,156th
Pernicious Numbers
2,086th
Pernicious Numbers (Long)
1,089th
Poker
Prime Numbers
2,360th
Prime Numbers (Long)
1,596th
Proximity Grid
QR Decoder
310th
Quine
3,567th
Recamán
1,291st
Reverse Polish Notation
689th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
688th
Sierpiński Triangle
964th
Smith Numbers
675th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
225th
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
882nd
Zodiac Signs
λ
639th
π
1,136th
τ
868th
φ
1,097th
√2
1,212th
𝑒
1,093rd