12 Days of Christmas
1,645th
99 Bottles of Beer
1,390th
Abundant Numbers
3,379th
1,163rd
Abundant Numbers (Long)
2,162nd
1,483rd
Arabic to Roman
1,475th
Arithmetic Numbers
1,323rd
Arrows
488th
Ascending Primes
913th
ASCII Table
1,030th
Billiards
409th
Calendar
189th
Card Number Validation
819th
Catalan Numbers
945th
Catalan’s Constant
8th
1,416th
Chess Move Validation
296th
Christmas Trees
903rd
Collatz
1,735th
Continued Fractions
349th
CSS Colors
97th723rd
Cubes
1,045th
Day of Week
1st918th
DFA Simulator
458th
Diamonds
1,239th
Divisors
1,758th
Emirp Numbers
825th
Emirp Numbers (Long)
408th
Emojify
417th
Evil Numbers
253rd
Evil Numbers (Long)
108th
Factorial Factorisation
685th
Farey Sequence
1,101st
Fibonacci
9,984th4,800th3,522nd4,438th
7,414th7,535th8,863rd
9,084th25th9,765th
Fizz Buzz
3,469th
Foo Fizz Buzz Bar
1,377th
Forsyth–Edwards Notation
660th
Fractions
544th
Game of Life
490th
Gijswijt’s Sequence
254th
Gray Code Decoder
398th
Gray Code Encoder
452nd
Happy Numbers
551st
Happy Numbers (Long)
1,279th
Hexdump
527th
Hilbert Curve
664th
Intersection
987th
Inventory Sequence
644th530th673rd
946th
409th
ISBN
895th
Kolakoski Sequence
1,017th
Leap Years
470th
Levenshtein Distance
551st
136th
Leyland Numbers
816th
ln 2
86th
Look and Say
1,133rd
Lucky Numbers
312th
Maze
469th
Medal Tally
609th
Minesweeper
461st
Morse Decoder
617th
Morse Encoder
758th
Multitap Input
409th
N Queens
488th
Niven Numbers
34th
Niven Numbers (Long)
179th
Number Spiral
1,086th
Odious Numbers
1,473rd
Odious Numbers (Long)
1,254th
Ordinal Numbers
1,500th
Pangram Grep
892nd
Pascal’s Triangle
1,541st
Pernicious Numbers
2,030th
Pernicious Numbers (Long)
928th
Poker
542nd
Prime Numbers
1,126th
Prime Numbers (Long)
448th
Quine
2,136th
Recamán
817th
Repeating Decimals
511th
Reverse Polish Notation
1,026th
Reversi
390th
Rijndael S-box
301st
Rock-paper-scissors-Spock-lizard
760th
Roman to Arabic
836th
ROT13
348th
Rule 110
979th
Scrambled Sort
626th
Seven Segment
841st
Sierpiński Triangle
690th
Smith Numbers
598th
Spelling Numbers
227th
Star Wars GPT
379th
Star Wars Opening Crawl
398th
Taxicab Numbers
265th
Ten-pin Bowling
493rd
Tic-tac-toe
461st
Time Distance
569th
Tongue-twisters
1,312th
Topological Sort
281st
Tower of Hanoi
695th
Transpose Sentence
658th
Trinomial Triangle
533rd
Ulam Sequence
385th
United States
839th
Vampire Numbers
732nd
Van Eck Sequence
503rd
Zeckendorf Representation
613th
γ
337th
π
436th243rd
1,444th
τ
377th
1,093rd
φ
960th
909th
√2
17th
𝑒
7th