12 Days of Christmas
12th
216th6th
24 Game
5th
33rd2nd
99 Bottles of Beer
20th32nd
258th7th
Abundant Numbers
13th58th33rd
49th374th29th
Abundant Numbers (Long)
7th
22nd
34th214th21st
Arabic to Roman
126th6th
Arithmetic Numbers
6th
169th5th
Arrows
7th
Ascending Primes
5th
42nd7th
ASCII Table
14th44th
90th5th
Billiards
3rd
brainfuck
10th
Card Number Validation
63rd7th
Catalan Numbers
6th
135th8th
Catalan’s Constant
6th
123rd6th
Christmas Trees
23rd
101st11th
Collatz
9th50th
23rd11th
CSS Colors
39th2nd
Cubes
20th
81st7th
Day of Week
243rd4th
DFA Simulator
53rd4th
Diamonds
17th
9th
Divisors
18th43rd18th19th58th358th1st
Emirp Numbers
12th
210th15th
Emirp Numbers (Long)
8th
92nd5th
Emojify
10th
Evil Numbers
11th49th39th1st22nd221st15th
Evil Numbers (Long)
8th51st27th1st
137th3rd
Factorial Factorisation
3rd15th6th
6th40th3rd
Farey Sequence
3rd27th
68th6th
Fibonacci
17th168th1st34th145th150th8th
Fizz Buzz
88th249th27th61st350th49th81st
Foo Fizz Buzz Bar
12th
24th
1st9th
Forsyth–Edwards Notation
127th4th
Fractions
156th13th
Game of Life
19th
3rd
Gijswijt’s Sequence
6th
31st8th
Happy Numbers
8th42nd
86th11th
Happy Numbers (Long)
8th45th
96th13th
Hexdump
7th
Intersection
191st2nd
Inventory Sequence
6th26th
50th3rd
ISBN
139th8th
Jacobi Symbol
44th6th
Kaprekar Numbers
3rd19th10th
8th22nd5th
Kolakoski Constant
6th
49th4th
Kolakoski Sequence
14th
17th12th
Leap Years
16th44th19th
24th186th29th
Levenshtein Distance
154th9th
Leyland Numbers
6th
212th3rd
ln 2
7th
79th3rd
Look and Say
10th
145th6th
Lucky Numbers
4th
85th9th
Lucky Tickets
56th2nd
Maze
48th6th
Medal Tally
6th
Morse Decoder
6th
Morse Encoder
7th
Musical Chords
5th
N Queens
3rd16th
65th4th
Niven Numbers
17th37th14th
57th1st
Niven Numbers (Long)
7th
26th
264th14th
Number Spiral
7th
96th10th
Odious Numbers
12th45th34th1st21st123rd14th
Odious Numbers (Long)
7th42nd23rd1st
87th3rd
Ordinal Numbers
229th9th
PalindromemordnilaP
101st3rd
Pangram Grep
42nd
1st
Pascal’s Triangle
7th64th
311th17th
Pernicious Numbers
9th46th
32nd
22nd
Pernicious Numbers (Long)
7th26th
15th
11th
Poker
6th
Polyominoes
8th
Prime Numbers
10th106th28th31st69th64th15th
Prime Numbers (Long)
8th68th17th
47th198th1st
Proximity Grid
4th
QR Decoder
5th
Quine
26th
26th
697th1st
Recamán
12th
184th14th
Repeating Decimals
59th3rd
Reverse Polish Notation
5th
Reversi
34th3rd
Rijndael S-box
5th19th
87th10th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
111th10th
ROT13
5th
Rule 110
17th
6th
Seven Segment
14th
SI Units
3rd
Sierpiński Triangle
8th39th
14th
Smith Numbers
4th
85th11th
Spelling Numbers
10th
Star Wars Opening Crawl
93rd4th
Sudoku
5th
Sudoku (Fill-in)
5th
Ten-pin Bowling
50th4th
Time Distance
6th
Tongue-twisters
5th
8th
Transpose Sentence
109th3rd
United States
8th
Vampire Numbers
4th
4th
Van Eck Sequence
4th
123rd7th
Zeckendorf Representation
56th7th
Zodiac Signs
51st4th
γ
6th
65th3rd
λ
12th
119th6th
π
12th47th17th
20th100th10th
τ
11th
17th84th6th
φ
12th
17th
109th7th
√2
12th
22nd
98th9th
𝑒
13th40th
111th13th