12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
1,901st
Abundant Numbers (Long)
1,499th
Arabic to Roman
Arrows
ASCII Table
687th
brainfuck
480th
Catalan Numbers
1,545th
Catalan’s Constant
1,144th
Christmas Trees
Collatz
1,091st
CSS Colors
709th
Cubes
Day of Week
Diamonds
1,516th
Divisors
2,754th
Emirp Numbers
1,686th
Emirp Numbers (Long)
1,041st
Emojify
Evil Numbers
3,278th
Evil Numbers (Long)
1,894th
Fibonacci
6,701st
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
1,762nd
Happy Numbers
1,988th
Happy Numbers (Long)
Hexdump
633rd
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
718th
Kolakoski Constant
538th
Kolakoski Sequence
1,278th
Leap Years
1,820th
Levenshtein Distance
347th
Leyland Numbers
613th
Look and Say
764th
Lucky Numbers
1,057th
Lucky Tickets
667th
Medal Tally
430th
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
764th
Niven Numbers (Long)
1,035th
Number Spiral
561st
Odious Numbers
2,676th
Odious Numbers (Long)
1,825th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
1,421st
Pernicious Numbers
2,636th
Pernicious Numbers (Long)
1,378th
Poker
Prime Numbers
2,748th
Prime Numbers (Long)
2,003rd
Proximity Grid
QR Decoder
442nd
Quine
3,952nd
Recamán
1,510th
Reverse Polish Notation
839th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
1,012th
Sierpiński Triangle
1,149th
Smith Numbers
885th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
345th
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
1,104th
Zodiac Signs
λ
789th
π
1,348th
τ
1,055th
φ
1,344th
√2
1,524th
𝑒
1,340th