12 Days of Christmas
10th
99 Bottles of Beer
32nd
Abundant Numbers
18th
736th
Abundant Numbers (Long)
17th
386th
Arabic to Roman
12th
Arithmetic Numbers
24th
Arrows
14th
16th
14th
13th
15th
Ascending Primes
17th
ASCII Table
20th
Billiards
7th
Calendar
2nd
Card Number Validation
19th
Catalan Numbers
9th
Christmas Trees
14th
Collatz
11th20th20th19th186th53rd93rd16th12th9th51st9th20th20th24th11th10th14th12th14th12th42nd12th
17th19th22nd234th
37th36th15th21st18th9th26th43rd30th18th554th18th18th68th67th14th
20th9th13th9th23rd
Day of Week
15th
Diamonds
30th
13th
68th
Divisors
16th
Emirp Numbers
29th30th
18th
Emirp Numbers (Long)
15th
7th
Emojify
18th
Evil Numbers
102nd100th
23rd
53rd
Evil Numbers (Long)
18th
Factorial Factorisation
8th
8th
Farey Sequence
9th
Fibonacci
34th
Fizz Buzz
1st
Foo Fizz Buzz Bar
4th
Fractions
17th
Game of Life
19th
12th
Happy Numbers
33rd30th
40th
19th
Happy Numbers (Long)
11th
Hexdump
12th
Intersection
9th
Inventory Sequence
13th
ISBN
29th
22nd
22nd
20th
Kaprekar Numbers
12th
Kolakoski Constant
8th
Kolakoski Sequence
18th
Leap Years
21st
Levenshtein Distance
8th
Leyland Numbers
8th
ln 2
12th
Look and Say
10th
11th
Lucky Numbers
33rd
13th
Lucky Tickets
10th
Mandelbrot
11th
Medal Tally
11th
Minesweeper
10th3rd
13th
9th
Niven Numbers
19th
Niven Numbers (Long)
19th
Number Spiral
29th
Odious Numbers
22nd
Odious Numbers (Long)
15th
Ordinal Numbers
9th
PalindromemordnilaP
7th
Pangram Grep
17th
15th44th26th
66th
18th
23rd
92nd
13th20th
Partition Numbers
11th
Pascal’s Triangle
14th
36th
Pernicious Numbers
55th58th
30th
Pernicious Numbers (Long)
14th
Poker
8th
Prime Numbers
16th
Prime Numbers (Long)
8th
Quine
1st
72nd
Recamán
13th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
11th13th
Roman to Arabic
45th
18th
24th
13th
ROT13
10th
Scrambled Sort
18th
14th
8th
5th
Set
7th
Seven Segment
14th
Sierpiński Triangle
8th
Smith Numbers
9th
Spelling Numbers
6th
Star Wars GPT
4th
Sudoku
8th
Sudoku (Fill-in)
12th
Ten-pin Bowling
13th
Tic-tac-toe
12th
Time Distance
9th
Tongue-twisters
23rd
Transpose Sentence
17th
Trinomial Triangle
8th
United States
9th
Vampire Numbers
14th
9th
Van Eck Sequence
13th
Zeckendorf Representation
12th
λ
8th
12th
8th
4th
π
15th
τ
14th
φ
2nd
√2
1st
𝑒
8th
37th