12 Days of Christmas
7th
36th99 Bottles of Beer
3rd
19thAbundant Numbers
4th
32ndAbundant Numbers (Long)
1st
20thArabic to Roman
7th
18thArithmetic Numbers
1st
17thArrows
14th
40thAscending Primes
12th
16thASCII Table
11th
25thbrainfuck
3rd
11thCatalan Numbers
1st
1stCatalan’s Constant
3rd
8thChristmas Trees
4th
13thCollatz
1st
6thCSS Colors
1st
38thCubes
10th
32ndDay of Week
1st
1stDFA Simulator
11th
25thDiamonds
16th
37thDivisors
1st
1stEmirp Numbers
10th
22ndEmirp Numbers (Long)
5th
11thEmojify
9th
29thEvil Numbers
3rd
1stEvil Numbers (Long)
1st
1stFactorial Factorisation
6th
9thFarey Sequence
13th
17thFibonacci
3rd
1stFizz Buzz
1st
1stFoo Fizz Buzz Bar
1st
1stForsyth–Edwards Notation
7th
20thFractions
7th
30thGame of Life
10th
21stGijswijt’s Sequence
5th
10thHappy Numbers
1st
1stHappy Numbers (Long)
6th
9thHexdump
4th
1stIntersection
11th
18thInventory Sequence
7th
13thISBN
6th
15thJacobi Symbol
7th
11thKolakoski Constant
3rd
5thKolakoski Sequence
9th
16thLeap Years
3rd
6thLevenshtein Distance
1st
1stLeyland Numbers
3rd
5thln 2
1st
1stLook and Say
3rd
16thLucky Numbers
9th
16thLucky Tickets
1st
1stMahjong
2nd
💎Maze
4th
10thMedal Tally
13th
16thMorse Decoder
8th
14thMorse Encoder
5th
12thMusical Chords
8th
16thN Queens
7th
14thNiven Numbers
19th
26thNiven Numbers (Long)
13th
28thNumber Spiral
6th
25thOdious Numbers
1st
1stOdious Numbers (Long)
2nd
1stOrdinal Numbers
2nd
4thPangram Grep
13th
23rdPascal’s Triangle
1st
1stPernicious Numbers
1st
1stPernicious Numbers (Long)
1st
1stPoker
9th
21stPrime Numbers
15th
37thPrime Numbers (Long)
1st
1stProximity Grid
14th
35thQR Decoder
8th
18thQuine
2nd
1stRecamán
4th
1stRepeating Decimals
1st
1stReverse Polish Notation
5th
2ndReversi
2nd
10thRijndael S-box
1st
9thRock-paper-scissors-Spock-lizard
10th
38thRoman to Arabic
18th
43rdRule 110
16th
48thSeven Segment
11th
30thSI Units
4th
17thSierpiński Triangle
6th
12thSmith Numbers
11th
18thSpelling Numbers
5th
9thStar Wars Opening Crawl
7th
17thSudoku
6th
13thSudoku v2
8th
19thTen-pin Bowling
8th
17thTime Distance
3rd
6thTongue-twisters
8th
25thUnited States
5th
10thVampire Numbers
12th
34thVan Eck Sequence
12th
18thZodiac Signs
5th
10thγ
5th
9thλ
7th
15thπ
4th
9thτ
4th
6thφ
18th
35th√2
1st
1st𝑒
1st
1st