12 Days of Christmas
172nd
24 Game
327th
99 Bottles of Beer
567th
Abundant Numbers
1,155th
Abundant Numbers (Long)
400th
Arabic to Roman
1,131st
Arithmetic Numbers
329th
Arrows
890th
Ascending Primes
667th
ASCII Table
994th
brainfuck
798th
Card Number Validation
501st
Catalan Numbers
981st
Catalan’s Constant
876th
Christmas Trees
637th
Collatz
759th
CSS Colors
658th
Cubes
340th
Day of Week
1,072nd
Diamonds
1,094th
Divisors
1,009th
Emirp Numbers
970th
Emirp Numbers (Long)
635th
Emojify
734th
Evil Numbers
1,637th
Evil Numbers (Long)
1,190th
Factorial Factorisation
612th
Farey Sequence
940th
Fibonacci
5,738th
Fizz Buzz
6,008th
Foo Fizz Buzz Bar
1,413th
Fractions
782nd
Gijswijt’s Sequence
519th
Happy Numbers
1,030th
Happy Numbers (Long)
964th
Hilbert Curve
232nd
Intersection
446th
Inventory Sequence
880th
ISBN
449th
Jacobi Symbol
311th
Kaprekar Numbers
453rd
Kolakoski Constant
451st
Kolakoski Sequence
444th
Leap Years
2,476th
Levenshtein Distance
725th
Leyland Numbers
258th
ln 2
612th
Look and Say
775th
Lucky Numbers
342nd
Lucky Tickets
435th
Mahjong
201st
Mandelbrot
466th
Maze
476th
Medal Tally
417th
Minesweeper
242nd
Morse Decoder
494th
Morse Encoder
394th
Musical Chords
346th
Niven Numbers
2,359th
Niven Numbers (Long)
1,205th
Number Spiral
662nd
Odious Numbers
1,304th
Odious Numbers (Long)
1,096th
Ordinal Numbers
1,022nd
PalindromemordnilaP
351st
Pangram Grep
537th
Partition Numbers
500th
Pascal’s Triangle
1,519th
Pernicious Numbers
1,879th
Pernicious Numbers (Long)
875th
Poker
343rd
Polyominoes
356th
Prime Numbers
2,550th
Prime Numbers (Long)
1,673rd
QR Decoder
258th
Recamán
653rd
Repeating Decimals
381st
Reverse Polish Notation
836th
Rijndael S-box
590th
Rock-paper-scissors-Spock-lizard
254th
Roman to Arabic
694th
ROT13
757th
Rule 110
799th
Scrambled Sort
100th
Seven Segment
628th
SI Units
228th
Sierpiński Triangle
1,025th
Smith Numbers
407th
Spelling Numbers
596th
Star Wars Opening Crawl
213th
Sudoku
455th
Ten-pin Bowling
347th
Tic-tac-toe
480th
Time Distance
459th
Tongue-twisters
315th
Topological Sort
271st
Transpose Sentence
639th
Trinomial Triangle
380th
United States
707th
Vampire Numbers
762nd
Van Eck Sequence
358th
Zeckendorf Representation
469th
Zodiac Signs
511th
γ
1,055th
λ
867th
π
1,075th
τ
845th
φ
642nd
√2
1,028th
𝑒
1,083rd