12 Days of Christmas
31st
99 Bottles of Beer
38th
9th
36th
Abundant Numbers
256th
7th
Abundant Numbers (Long)
1st
Arabic to Roman
60th
Arithmetic Numbers
196th
7th
Arrows
272nd
10th
Ascending Primes
6th
97th
ASCII Table
16th
380th
19th
brainfuck
49th
Calendar
68th
Card Number Validation
104th
Catalan Numbers
79th
17th
7th
Catalan’s Constant
13th
8th
Christmas Trees
203rd
20th
Collatz
194th
5th
CSS Colors
287th
Cubes
27th
17th
Day of Week
83rd
46th
DFA Simulator
78th
Diamonds
38th
347th
22nd
Divisors
42nd162nd
61st
75th
510th
1st
Emirp Numbers
354th
29th
Emirp Numbers (Long)
174th
14th
Emojify
11th
Evil Numbers
135th
28th54th
Evil Numbers (Long)
38th
19th
Factorial Factorisation
16th
74th
Farey Sequence
150th
Fibonacci
74th3rd
122nd
186th
92nd
Fizz Buzz
33rd
145th
107th465th
18th
35th
1st
210th
25th
54th
Foo Fizz Buzz Bar
21st47th
39th
19th
Forsyth–Edwards Notation
12th
Fractions
57th
93rd
293rd
14th
Game of Life
8th
Gijswijt’s Sequence
101st
Happy Numbers
199th
37th
Happy Numbers (Long)
105th
26th
Intersection
118th
Inventory Sequence
37th
29th
21st
ISBN
41st
14th
Jacobi Symbol
9th
Kaprekar Numbers
15th
Kolakoski Constant
14th
12th
7th
8th
Kolakoski Sequence
49th
23rd
17th
7th
Leap Years
57th
73rd
322nd
32nd
Levenshtein Distance
87th
16th
Leyland Numbers
10th
ln 2
14th
11th
5th
5th
Look and Say
165th
13th
Lucky Numbers
22nd
9th
9th
Lucky Tickets
133rd
Mandelbrot
55th
Maze
84th
13th
Medal Tally
8th
Minesweeper
61st
Morse Encoder
195th
N Queens
12th
Niven Numbers
372nd
51st
Niven Numbers (Long)
189th
23rd
Number Spiral
27th42nd
17th
Odious Numbers
110th
99th
28th
Odious Numbers (Long)
76th
81st
25th
Ordinal Numbers
28th
PalindromemordnilaP
157th
Pangram Grep
21st61st
39th
119th
17th
329th
1st
35th13th
12th
Partition Numbers
47th
Pascal’s Triangle
78th
146th
23rd
Pernicious Numbers
94th
29th
Pernicious Numbers (Long)
23rd
Polyominoes
66th
Prime Numbers
45th
105th
57th
46th
157th
22nd
20th
Prime Numbers (Long)
146th
52nd
1st
Proximity Grid
68th
Quine
1st25th1st
24th96th108th56th
22nd11th36th1st26th
6th1st
32nd14th5th
115th278th1st
1st22nd1st26th1st
72nd4th83rd68th17th
1st47th26th
Recamán
131st
29th
Repeating Decimals
88th
Reverse Polish Notation
52nd
17th
Reversi
69th
Rijndael S-box
57th
16th
Rock-paper-scissors-Spock-lizard
308th
Roman to Arabic
38th
ROT13
36th
Rule 110
14th
Scrambled Sort
73rd
Set
92nd
Seven Segment
14th
Sierpiński Triangle
24th31st
146th
26th
Smith Numbers
25th
16th
8th
8th
Spelling Numbers
72nd
15th
13th
Star Wars Opening Crawl
8th
Sudoku
19th
104th
Tic-tac-toe
102nd
Time Distance
9th
Tongue-twisters
27th
19th
Topological Sort
74th
Tower of Hanoi
35th
Transpose Sentence
70th
Trinomial Triangle
64th
United States
312th
Vampire Numbers
19th
8th
Van Eck Sequence
18th43rd
196th
29th
Zeckendorf Representation
134th
12th
γ
27th45th
21st
6th
λ
36th62nd
23rd
16th
10th
152nd
18th
12th
6th
π
24th63rd55th
22nd39th
229th
20th
10th
6th
τ
32nd
169th
15th
10th
φ
32nd
58th
18th
11th
6th
√2
33rd
32nd
116th
16th
11th
𝑒
29th13th22nd35th52nd56th49th36th15th27th23rd13th29th
30th33rd
9th53rd113th90th
36th34th27th35th41st26th52nd34th171st38th57th89th25th
9th40th12th22nd6th31st7th12th