12 Days of Christmas
101st11th
24 Game
3rd
99 Bottles of Beer
161st8th
Abundant Numbers
48th5th
Abundant Numbers (Long)
30th5th
Arabic to Roman
69th8th
Arithmetic Numbers
45th9th
Arrows
60th9th
Ascending Primes
44th13th
ASCII Table
26th2nd
Billiards
8th3rd
brainfuck
78th7th
Card Number Validation
24th6th
Catalan Numbers
43rd2nd
Catalan’s Constant
26th10th
Christmas Trees
107th5th
Collatz
1st2nd
CSS Colors
59th14th
Cubes
42nd2nd
Day of Week
1st9th
DFA Simulator
3rd
Diamonds
121st15th
Divisors
155th6th
Emirp Numbers
108th10th
Emirp Numbers (Long)
46th7th
Emojify
6th
Evil Numbers
14th12th
Evil Numbers (Long)
13th14th
Factorial Factorisation
37th6th
Farey Sequence
30th8th
Fibonacci
111th8th
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
48th1st
Forsyth–Edwards Notation
35th3rd
Fractions
62nd6th
Game of Life
43rd8th
Gijswijt’s Sequence
27th6th
Happy Numbers
15th17th
Happy Numbers (Long)
10th11th
Hexdump
7th
Intersection
30th2nd
Inventory Sequence
17th1st
ISBN
28th6th
Jacobi Symbol
6th
Kaprekar Numbers
20th5th
Kolakoski Constant
10th
Kolakoski Sequence
28th17th
Leap Years
51st💎
Levenshtein Distance
61st23rd
Leyland Numbers
22nd3rd
ln 2
24th9th
Look and Say
40th5th
Lucky Numbers
53rd7th
Lucky Tickets
6th
Mahjong
10th2nd
Maze
7th
Medal Tally
23rd8th
Morse Decoder
7th
Morse Encoder
5th
Musical Chords
6th
N Queens
5th
Niven Numbers
1st36th
Niven Numbers (Long)
1st12th
Number Spiral
29th4th
Odious Numbers
46th13th
Odious Numbers (Long)
32nd9th
Ordinal Numbers
63rd9th
PalindromemordnilaP
23rd7th
Pangram Grep
120th13th
Pascal’s Triangle
101st1st
Pernicious Numbers
60th28th
Pernicious Numbers (Long)
17th9th
Poker
2nd
Polyominoes
3rd
Prime Numbers
75th4th
Prime Numbers (Long)
34th4th
Proximity Grid
4th
Quine
179th32nd
Recamán
31st5th
Repeating Decimals
5th
Reverse Polish Notation
51st8th
Reversi
4th
Rijndael S-box
31st4th
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
54th11th
ROT13
32nd8th
Rule 110
44th5th
Seven Segment
14th
Sierpiński Triangle
62nd17th
Smith Numbers
49th9th
Spelling Numbers
7th
Sudoku
4th
Sudoku (Fill-in)
5th
Ten-pin Bowling
5th
Tic-tac-toe
28th10th
Time Distance
6th
Tongue-twisters
42nd12th
Transpose Sentence
5th
United States
12th
Vampire Numbers
37th5th
Van Eck Sequence
70th12th
Zeckendorf Representation
6th
Zodiac Signs
5th
γ
8th
λ
33rd13th
π
53rd4th
τ
45th4th
φ
19th15th
√2
28th12th
𝑒
39th8th