12 Days of Christmas
25th
21st
153rd
99 Bottles of Beer
7th
37th
86th33rd21st
Abundant Numbers
22nd
30th
201st
37th
Abundant Numbers (Long)
19th
26th
153rd
32nd
Arabic to Roman
63rd
11th
134th
Arithmetic Numbers
154th
Arrows
10th
231st
Ascending Primes
57th
ASCII Table
16th
147th
brainfuck
46th
14th
21st
92nd
36th
Catalan Numbers
27th
17th
187th
Catalan’s Constant
10th
10th
54th
93rd
Christmas Trees
21st
34th
231st
60th
Collatz
43rd
12th
195th
CSS Colors
9th
123rd
Cubes
12th
153rd
Day of Week
7th
67th
Diamonds
30th
66th
Divisors
107th
38th
37th
166th
386th54th100th
Emirp Numbers
17th
21st
13th
130th
82nd
Emirp Numbers (Long)
8th
9th
148th
40th
Emojify
11th
84th
20th
Evil Numbers
28th
17th
37th
130th
24th
Evil Numbers (Long)
22nd
12th
27th
35th
15th
Factorial Factorisation
161st
Fibonacci
84th
203rd153rd
30th37th
32nd
1st34th
48th76th170th77th
110th40th
67th90th
179th48th62nd120th
52nd34th15th
Fizz Buzz
84th21st43rd83rd33rd68th325th217th226th15th52nd20th39th38th17th49th58th36th9th35th48th41st1st58th11th133rd47th22nd9th137th235th33rd54th61st150th27th13th71st77th30th
40th9th
Foo Fizz Buzz Bar
22nd
17th
15th
17th
323rd
37th
Forsyth–Edwards Notation
10th
102nd
Fractions
18th
316th
Game of Life
108th
Gijswijt’s Sequence
10th
100th
Happy Numbers
18th
10th
15th
170th
44th
Happy Numbers (Long)
17th
9th
12th
86th
36th
Hexdump
104th
Intersection
15th
14th
60th
Inventory Sequence
15th
62nd
ISBN
16th
130th
Jacobi Symbol
22nd
9th
16th
123rd
Kolakoski Constant
11th
58th
Kolakoski Sequence
25th
148th
Leap Years
111th
28th
40th
19th
180th
216th29th29th40th
Levenshtein Distance
14th7th
31st
81st
51st
Leyland Numbers
30th
17th
168th
Look and Say
14th
11th
31st
158th
Lucky Numbers
11th
192nd
Lucky Tickets
13th
114th
Maze
96th
Medal Tally
100th
Morse Decoder
7th
64th
Morse Encoder
10th
6th
107th
31st
Musical Chords
44th
N Queens
79th
Niven Numbers
30th
55th
15th
188th47th42nd
Niven Numbers (Long)
23rd
22nd
12th
178th25th49th
Number Spiral
9th
19th
112th
Odious Numbers
25th
17th
37th
36th
94th
21st
Odious Numbers (Long)
21st
12th
25th
20th
77th
12th
Ordinal Numbers
14th
18th
23rd
120th
Pangram Grep
36th
20th
26th14th
21st33rd
39th
29th
29th
53rd
54th51st73rd
17th
Pascal’s Triangle
69th
20th
1st
22nd
31st
74th
Pernicious Numbers
30th
18th
27th
141st
47th50th
Pernicious Numbers (Long)
12th
24th
91st
Poker
5th
41st
Prime Numbers
26th
1st
105th
352nd81st98th
Prime Numbers (Long)
45th
1st
228th
Proximity Grid
100th
QR Decoder
80th
Quine
1st
30th65th59th
1st
33rd4th35th12th
73rd32nd
41st83rd30th73rd
113th52nd50th98th73rd57th
70th69th109th112th
8th
Recamán
13th
27th
92nd
69th
30th
Repeating Decimals
5th
76th28th
Reverse Polish Notation
16th
142nd
Rijndael S-box
41st
65th
Rock-paper-scissors-Spock-lizard
11th
148th
Roman to Arabic
16th
14th
106th
36th
ROT13
163rd
Rule 110
18th
160th
Seven Segment
11th
12th
89th
89th
19th
SI Units
4th
45th
3rd
Sierpiński Triangle
13th
22nd11th
14th
87th
26th
Smith Numbers
14th
61st
Spelling Numbers
69th
10th
52nd
Star Wars Opening Crawl
5th
93rd
Sudoku
6th
112th
Sudoku (Fill-in)
5th
94th
Ten-pin Bowling
9th
103rd
Time Distance
6th
23rd
Tongue-twisters
13th
120th
178th
32nd
United States
23rd
8th
97th
Vampire Numbers
9th
15th
106th
34th
Van Eck Sequence
18th
47th
Zodiac Signs
9th
105th
γ
45th
λ
11th
9th
68th
π
30th
18th
1st
53rd
137th
τ
15th
1st
48th
115th
φ
26th
27th
61st
170th
√2
22nd
15th
51st
217th
𝑒
23rd
50th
251st