12 Days of Christmas
7th
24 Game
38th
99 Bottles of Beer
24th
Abundant Numbers
84th
Abundant Numbers (Long)
64th
Arabic to Roman
65th
Arithmetic Numbers
21st
Arrows
55th
Ascending Primes
29th
ASCII Table
44th
brainfuck
170th
Card Number Validation
50th
Catalan Numbers
135th
Catalan’s Constant
55th
Christmas Trees
116th
Collatz
86th
CSS Colors
74th
Cubes
90th
Day of Week
1st
DFA Simulator
59th
Diamonds
59th
Divisors
1st
Emirp Numbers
62nd
Emirp Numbers (Long)
58th
Emojify
64th
Evil Numbers
1st
Evil Numbers (Long)
32nd
Factorial Factorisation
51st
Farey Sequence
24th
Fibonacci
152nd
Fizz Buzz
51st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
69th
Fractions
56th
Game of Life
64th
Gijswijt’s Sequence
35th
Happy Numbers
103rd
Happy Numbers (Long)
61st
Hexdump
17th
Intersection
49th
Inventory Sequence
145th
ISBN
17th
Jacobi Symbol
57th
Kolakoski Constant
80th
Kolakoski Sequence
66th
Leap Years
144th
Levenshtein Distance
1st
Leyland Numbers
6th
ln 2
1st
Look and Say
20th
Lucky Numbers
19th
Lucky Tickets
47th
Mahjong
28th
Maze
70th
Medal Tally
53rd
Morse Decoder
34th
Morse Encoder
89th
Musical Chords
34th
N Queens
16th
Niven Numbers
58th
Niven Numbers (Long)
89th
Number Spiral
34th
Odious Numbers
105th
Odious Numbers (Long)
123rd
Ordinal Numbers
149th
Pangram Grep
44th
Pascal’s Triangle
66th
Pernicious Numbers
93rd
Pernicious Numbers (Long)
73rd
Poker
81st
Prime Numbers
136th
Prime Numbers (Long)
41st
Proximity Grid
46th
QR Decoder
28th
Quine
56th
Recamán
135th
Repeating Decimals
50th
Reverse Polish Notation
31st
Rijndael S-box
36th
Rock-paper-scissors-Spock-lizard
61st
Roman to Arabic
114th
ROT13
29th
Rule 110
99th
Seven Segment
131st
SI Units
21st
Sierpiński Triangle
31st
Smith Numbers
128th
Spelling Numbers
36th
Star Wars Opening Crawl
42nd
Sudoku
31st
Sudoku (Fill-in)
42nd
Ten-pin Bowling
41st
Tic-tac-toe
77th
Time Distance
38th
Tongue-twisters
101st
United States
56th
Vampire Numbers
37th
Van Eck Sequence
55th
Zodiac Signs
75th
γ
32nd
λ
50th
π
25th
τ
21st
φ
1st
√2
1st
𝑒
1st