12 Days of Christmas
26th
21st
95th
99 Bottles of Beer
7th
37th
56th35th35th
Abundant Numbers
22nd
33rd
121st
39th
Abundant Numbers (Long)
19th
27th
197th
34th
Arabic to Roman
67th
11th
45th
Arithmetic Numbers
190th
Arrows
10th
205th
Ascending Primes
99th
ASCII Table
17th
64th
brainfuck
50th
14th
22nd
55th
42nd
Catalan Numbers
29th
17th
209th
Catalan’s Constant
10th
12th
57th
70th
Christmas Trees
32nd
34th
112th
68th
Collatz
44th
13th
99th
CSS Colors
9th
96th
Cubes
12th
58th
Day of Week
7th
53rd
Diamonds
30th
60th
Divisors
112th
41st
42nd
171st
389th57th109th
Emirp Numbers
17th
21st
17th
127th
91st
Emirp Numbers (Long)
9th
12th
171st
43rd
Emojify
11th
70th
23rd
Evil Numbers
29th
17th
41st
144th
26th
Evil Numbers (Long)
22nd
12th
30th
43rd
16th
Factorial Factorisation
183rd
Fibonacci
94th
218th167th
33rd41st
28th
23rd36th
54th107th183rd83rd
122nd45th
71st99th
197th61st65th134th
58th40th17th
Fizz Buzz
88th46th86th34th72nd340th222nd239th15th52nd20th40th39th19th51st58th39th9th38th50th77th1st63rd12th134th48th27th9th143rd237th33rd179th38th157th28th13th76th80th32nd
40th10th
Foo Fizz Buzz Bar
24th
19th
16th
17th
125th
35th
Forsyth–Edwards Notation
10th
41st
Fractions
18th
141st
Game of Life
66th
Gijswijt’s Sequence
10th
65th
Happy Numbers
22nd
16th
19th
212th
57th
Happy Numbers (Long)
17th
10th
14th
128th
41st
Hexdump
49th
Intersection
17th
16th
71st
Inventory Sequence
15th
62nd
ISBN
18th
61st
Jacobi Symbol
23rd
9th
16th
76th
Kolakoski Constant
11th
41st
Kolakoski Sequence
27th
120th
Leap Years
120th
31st
42nd
22nd
190th
231st34th31st45th
Levenshtein Distance
14th9th
34th
66th
55th
Leyland Numbers
31st
19th
85th
Look and Say
14th
13th
36th
71st
Lucky Numbers
12th
139th
Lucky Tickets
14th
82nd
Maze
95th
Medal Tally
117th
Morse Decoder
7th
45th
Morse Encoder
10th
8th
105th
36th
Musical Chords
40th
N Queens
46th
Niven Numbers
32nd
57th
20th
211th49th46th
Niven Numbers (Long)
24th
24th
15th
203rd26th53rd
Number Spiral
9th
22nd
82nd
Odious Numbers
26th
17th
40th
38th
109th
24th
Odious Numbers (Long)
21st
12th
27th
21st
90th
12th
Ordinal Numbers
14th
18th
25th
70th
Pangram Grep
39th
22nd
29th11th
22nd35th
46th
32nd
31st
58th
78th52nd80th
19th
Pascal’s Triangle
72nd
21st
1st
23rd
38th
111th
Pernicious Numbers
32nd
18th
28th
158th
51st55th
Pernicious Numbers (Long)
12th
26th
98th
Poker
5th
29th
Prime Numbers
27th
1st
111th
377th82nd104th
Prime Numbers (Long)
47th
1st
233rd
Proximity Grid
114th
QR Decoder
58th
Quine
1st
26th70th63rd
1st
35th4th39th12th
81st33rd
44th91st33rd79th
117th55th53rd101st74th60th
82nd37th100th115th
8th
Recamán
13th
27th
96th
61st
33rd
Repeating Decimals
5th
46th28th
Reverse Polish Notation
17th
53rd
Rijndael S-box
46th
46th
Rock-paper-scissors-Spock-lizard
9th
52nd
Roman to Arabic
16th
17th
89th
40th
ROT13
173rd
Rule 110
17th
97th
Seven Segment
12th
12th
100th
73rd
25th
SI Units
5th
28th
3rd
Sierpiński Triangle
13th
23rd11th
16th
95th
27th
Smith Numbers
14th
36th
Spelling Numbers
78th
10th
39th
Star Wars Opening Crawl
5th
49th
Sudoku
6th
80th
Sudoku (Fill-in)
5th
81st
Ten-pin Bowling
9th
117th
Time Distance
6th
28th
Tongue-twisters
14th
127th
97th
38th
United States
23rd
8th
77th
Vampire Numbers
10th
16th
50th
23rd
Van Eck Sequence
18th
58th
Zodiac Signs
9th
80th
γ
49th
λ
11th
11th
41st
π
34th
18th
3rd
57th
123rd
τ
15th
3rd
50th
109th
φ
26th
30th
63rd
157th
√2
22nd
17th
53rd
224th
𝑒
23rd
53rd
174th