12 Days of Christmas
27th
21st
95th
99 Bottles of Beer
7th
37th
57th35th35th
Abundant Numbers
22nd
33rd
122nd
39th
Abundant Numbers (Long)
19th
27th
197th
35th
Alphabetic Numbers
44th
Arabic to Roman
69th
12th
45th
Arithmetic Numbers
191st
Arrows
10th
205th
Ascending Primes
100th
ASCII Table
17th
65th
brainfuck
51st
14th
22nd
56th
43rd
Calendar
39th
Card Number Validation
27th
171st
Catalan Numbers
30th
17th
210th
Catalan’s Constant
10th
12th
58th
71st
Christmas Trees
32nd
34th
114th
68th
Collatz
44th
13th
99th
Continued Fractions
35th
CSS Colors
9th
97th
Cubes
12th
59th
Day of Week
7th
54th
Diamonds
30th
62nd
Divisors
114th
41st
41st
172nd
392nd58th110th
Emirp Numbers
17th
21st
18th
127th
92nd
Emirp Numbers (Long)
9th
12th
172nd
44th
Emojify
11th
72nd
23rd
Evil Numbers
29th
17th
42nd
145th
26th
Evil Numbers (Long)
22nd
12th
30th
43rd
16th
Factorial Factorisation
186th
Fibonacci
94th
218th167th
34th41st
30th
23rd36th
55th108th185th83rd
124th45th
71st100th
197th60th65th134th
58th40th17th
Fizz Buzz
88th46th86th34th71st341st222nd239th15th52nd20th40th39th19th51st58th39th9th38th50th79th1st63rd13th134th49th27th9th143rd237th34th182nd39th158th28th13th76th80th32nd
40th10th
Foo Fizz Buzz Bar
24th
19th
16th
17th
127th
36th
Forsyth–Edwards Notation
10th
41st
Fractions
18th
140th
Game of Life
68th
Gijswijt’s Sequence
10th
67th
Happy Numbers
22nd
16th
19th
212th
57th
Happy Numbers (Long)
17th
10th
14th
129th
41st
Hexdump
50th
Intersection
17th
16th
71st
Inventory Sequence
15th
62nd
ISBN
18th
60th
Jacobi Symbol
23rd
9th
16th
75th
Kolakoski Constant
11th
42nd
Kolakoski Sequence
27th
120th
Leap Years
120th
31st
42nd
22nd
193rd
233rd35th31st46th
Levenshtein Distance
14th9th
35th
68th
55th
Leyland Numbers
31st
20th
85th
ln 2
42nd
Look and Say
14th
13th
36th
72nd
Lucky Numbers
12th
140th
Lucky Tickets
14th
83rd
Maze
96th
Medal Tally
118th
Morse Decoder
7th
45th
Morse Encoder
10th
8th
105th
37th
Musical Chords
42nd
N Queens
47th
Niven Numbers
32nd
58th
20th
212th49th46th
Niven Numbers (Long)
24th
24th
15th
204th26th54th
Number Spiral
9th
23rd
83rd
Odious Numbers
26th
17th
40th
38th
110th
24th
Odious Numbers (Long)
21st
12th
27th
21st
91st
12th
Ordinal Numbers
14th
18th
25th
70th
Pangram Grep
40th
22nd
29th13th
22nd35th
47th
32nd
31st
59th
80th52nd80th
19th
Pascal’s Triangle
72nd
21st
1st
23rd
38th
111th
Pernicious Numbers
32nd
18th
28th
159th
52nd56th
Pernicious Numbers (Long)
12th
26th
100th
Poker
5th
29th
Prime Numbers
27th
1st
113th
380th83rd105th
Prime Numbers (Long)
47th
1st
235th
Proximity Grid
118th
QR Decoder
57th
Quine
1st
27th70th63rd
1st
35th4th39th12th
81st33rd
44th92nd33rd79th
118th55th54th101st74th60th
83rd37th101st116th
8th
Recamán
13th
27th
97th
63rd
33rd
Repeating Decimals
5th
46th30th
Reverse Polish Notation
17th
53rd
Rijndael S-box
47th
47th
Rock-paper-scissors-Spock-lizard
9th
52nd
Roman to Arabic
17th
17th
89th
40th
ROT13
174th
Rule 110
17th
98th
Scrambled Sort
36th
Seven Segment
12th
12th
102nd
73rd
25th
SI Units
5th
28th
3rd
Sierpiński Triangle
13th
23rd11th
16th
95th
27th
Smith Numbers
14th
36th
Spelling Numbers
81st
10th
40th
Star Wars Opening Crawl
5th
49th
Sudoku
6th
82nd
Sudoku (Fill-in)
21st
5th
83rd
Taxicab Numbers
68th
Ten-pin Bowling
9th
118th
Time Distance
6th
28th
Tongue-twisters
14th
128th
96th
40th
Topological Sort
85th
Tower of Hanoi
101st
Trinomial Triangle
119th
United States
23rd
8th
78th
Vampire Numbers
10th
16th
50th
24th
Van Eck Sequence
18th
58th
Zeckendorf Representation
34th
Zodiac Signs
9th
81st
γ
50th
λ
11th
11th
41st
π
34th
19th
3rd
57th
124th
τ
16th
3rd
50th
110th
φ
27th
31st
63rd
158th
√2
22nd
17th
53rd
225th
𝑒
24th
53rd
175th