12 Days of Christmas
25th
20th
81st
99 Bottles of Beer
7th
35th
46th35th30th
Abundant Numbers
22nd
26th
103rd
35th
Abundant Numbers (Long)
19th
22nd
166th
30th
Arabic to Roman
62nd
11th
43rd
Arithmetic Numbers
154th
Arrows
10th
177th
Ascending Primes
68th
ASCII Table
15th
59th
brainfuck
46th
14th
20th
46th
33rd
Catalan Numbers
26th
16th
175th
Catalan’s Constant
10th
9th
52nd
55th
Christmas Trees
21st
32nd
97th
61st
Collatz
42nd
10th
88th
CSS Colors
9th
86th
Cubes
12th
53rd
Day of Week
7th
34th
Diamonds
28th
50th
Divisors
104th
36th
35th
163rd
362nd55th97th
Emirp Numbers
17th
20th
14th
110th
82nd
Emirp Numbers (Long)
7th
9th
146th
36th
Emojify
11th
60th
19th
Evil Numbers
26th
17th
35th
120th
23rd
Evil Numbers (Long)
20th
12th
25th
33rd
14th
Factorial Factorisation
144th
Fibonacci
81st
201st142nd
30th34th
30th
19th32nd
46th63rd163rd75th
107th39th
64th90th
163rd55th59th118th
50th33rd15th
Fizz Buzz
84th42nd80th32nd67th314th208th219th16th52nd20th39th38th17th48th57th34th9th35th46th1st1st58th11th133rd47th22nd9th137th233rd33rd153rd38th147th27th12th67th77th30th
40th9th29th
Foo Fizz Buzz Bar
20th
15th
14th
17th
107th
31st
Forsyth–Edwards Notation
10th
36th
Fractions
18th
117th
Game of Life
52nd
Gijswijt’s Sequence
10th
51st
Happy Numbers
21st
14th
15th
187th
50th
Happy Numbers (Long)
17th
9th
10th
107th
37th
Hexdump
42nd
Intersection
15th
13th
62nd
Inventory Sequence
14th
46th
ISBN
16th
55th
Jacobi Symbol
21st
8th
15th
58th
Kolakoski Constant
11th
34th
Kolakoski Sequence
25th
108th
Leap Years
106th
27th
38th
18th
170th
207th33rd29th39th
Levenshtein Distance
13th7th
31st
59th
49th
Leyland Numbers
29th
17th
73rd
Look and Say
14th
10th
30th
61st
Lucky Numbers
11th
121st
Lucky Tickets
13th
62nd
Maze
72nd
Medal Tally
102nd
Morse Decoder
7th
37th
Morse Encoder
10th
6th
86th
30th
Musical Chords
29th
N Queens
35th
Niven Numbers
28th
52nd
16th
178th47th41st
Niven Numbers (Long)
21st
21st
11th
173rd24th46th
Number Spiral
9th
19th
68th
Odious Numbers
23rd
17th
35th
33rd
85th
20th
Odious Numbers (Long)
19th
12th
23rd
18th
70th
11th
Ordinal Numbers
14th
18th
22nd
63rd
Pangram Grep
35th
20th
22nd13th
19th33rd
36th
28th
27th
51st
67th50th70th
17th
19th
Pascal’s Triangle
68th
20th
1st
21st
30th
100th
Pernicious Numbers
26th
17th
26th
133rd
44th48th
Pernicious Numbers (Long)
12th
24th
76th
Poker
5th
24th
Prime Numbers
22nd
1st
98th
335th78th94th
Prime Numbers (Long)
39th
1st
203rd
Proximity Grid
97th
QR Decoder
44th
Quine
1st
30th64th56th
1st
33rd4th35th12th
68th31st
40th74th29th73rd
110th52nd49th97th69th56th
63rd34th99th110th
8th
Recamán
12th
26th
89th
51st
30th
Repeating Decimals
5th
39th27th
Reverse Polish Notation
16th
49th
Rijndael S-box
38th
32nd
Rock-paper-scissors-Spock-lizard
9th
45th
Roman to Arabic
15th
14th
77th
35th
ROT13
141st
Rule 110
16th
83rd
Seven Segment
10th
12th
94th
64th
23rd
SI Units
4th
23rd
3rd
Sierpiński Triangle
12th
21st11th
13th
82nd
25th
Smith Numbers
14th
31st
Spelling Numbers
67th
10th
34th
Star Wars Opening Crawl
5th
42nd
Sudoku
6th
66th
Sudoku (Fill-in)
5th
68th
Ten-pin Bowling
8th
97th
Time Distance
6th
24th
Tongue-twisters
13th
115th
86th
32nd
United States
22nd
8th
67th
Vampire Numbers
8th
15th
44th
20th
Van Eck Sequence
18th
46th
Zodiac Signs
9th
59th
γ
43rd
λ
11th
10th
34th
π
29th
17th
3rd
50th
100th
τ
15th
3rd
45th
91st
φ
25th
24th
57th
140th
√2
21st
13th
48th
191st
𝑒
22nd
47th
145th