12 Days of Christmas
35th
20th
26th
13th
72nd
9th
99 Bottles of Beer
50th
32nd
24th
22nd
82nd
Abundant Numbers
6th
12th36th17th
48th32nd
28th12th
19th
56th62nd
9th
Abundant Numbers (Long)
16th
21st
27th
11th
32nd
Arabic to Roman
22nd
17th70th
22nd
11th
80th
Arithmetic Numbers
1st
Arrows
21st
21st
37th
Ascending Primes
24th
ASCII Table
51st
25th
5th
208th
brainfuck
33rd
14th
9th
48th
Card Number Validation
15th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
21st
Christmas Trees
12th
7th
4th
24th19th
163rd29th
Collatz
18th3rd19th
25th
35th1st
37th37th
CSS Colors
5th
4th
10th
16th15th
Cubes
20th
7th
9th
139th
Day of Week
1st
Diamonds
38th
24th
13th
54th36th
Divisors
12th
35th26th28th
39th
38th26th
1st
1st42nd
8th
Emirp Numbers
7th
28th
16th
12th
21st12th22nd
34th22nd
6th
Emirp Numbers (Long)
16th
12th
19th
Emojify
16th
52nd
Evil Numbers
24th10th16th
23rd
49th
34th15th
1st35th
8th
Evil Numbers (Long)
31st
17th
13th
38th
Factorial Factorisation
11th
Farey Sequence
31st
Fibonacci
31st
12th43rd1st
1st1st148th
71st1st
1st
44th
1st7th
1st
Fizz Buzz
8th
20th150th110th68th
18th104th104th
163rd1st
47th9th
101st58th1st75th13th
Foo Fizz Buzz Bar
52nd46th37th
41st
49th19th
1st32nd
Forsyth–Edwards Notation
26th
Fractions
31st
34th
23rd
139th1st
Game of Life
11th
Gijswijt’s Sequence
13th
Happy Numbers
3rd
44th31st21st
20th
45th
34th12th
1st46th
11th
Happy Numbers (Long)
25th18th6th
34th
23rd12th
35th35th
Hexdump
2nd
67th
Intersection
10th
19th
4th
64th
Inventory Sequence
36th
26th
4th
ISBN
11th
14th
5th
38th
Jacobi Symbol
9th
7th
12th9th
32nd
Kolakoski Constant
6th
6th
2nd
18th16th
Kolakoski Sequence
6th5th5th
15th11th
125th17th
Leap Years
23rd
7th21st3rd
16th8th
34th1st
17th
48th145th27th
9th
Levenshtein Distance
17th
12th
1st
12th
92nd1st
Leyland Numbers
14th
20th
37th
7th
187th41st
ln 2
16th
81st
Look and Say
28th
15th
74th54th
Lucky Numbers
21st
141st21st
Lucky Tickets
9th
16th
43rd14th
Maze
17th
Medal Tally
7th
Morse Decoder
6th
15th
39th
Morse Encoder
9th
6th
12th
6th
37th
Musical Chords
14th
Niven Numbers
43rd37th29th
26th
27th
43rd1st
21st
36th76th29th
21st
Niven Numbers (Long)
33rd
29th
1st
213th
Number Spiral
19th
11th
13th
64th
Odious Numbers
24th10th12th
20th
45th
35th11th
1st30th
9th
Odious Numbers (Long)
21st
19th
11th
1st
Ordinal Numbers
28th
14th
29th
1st
23rd141st
Pangram Grep
22nd
12th
1st
60th57th
Pascal’s Triangle
28th
17th
44th
17th
126th
Pernicious Numbers
1st
1st
18th
34th1st
1st21st
Pernicious Numbers (Long)
20th
19th
12th
193rd
Poker
8th
37th
Prime Numbers
23rd34th14th
35th1st39th1st
30th
54th24th
13th
Prime Numbers (Long)
21st22nd13th
45th1st28th1st
1st
1st63rd
5th
Proximity Grid
9th
QR Decoder
6th
21st
Quine
1st
34th
67th1st
1st83rd
Recamán
4th
1st
17th
179th
Repeating Decimals
15th
Reverse Polish Notation
10th
141st
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
13th
48th
Roman to Arabic
27th
1st10th
Rule 110
5th
10th
61st22nd
Scrambled Sort
18th
Seven Segment
24th
11th
9th
33rd
SI Units
9th
Sierpiński Triangle
11th7th9th
13th8th
28th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th16th
29th
Spelling Numbers
6th
62nd
Star Wars Opening Crawl
20th
Sudoku
6th
37th
Sudoku (Fill-in)
15th
61st
Ten-pin Bowling
16th
Time Distance
13th
71st
Tongue-twisters
25th
17th
25th
172nd
United States
3rd
44th
Vampire Numbers
4th
8th
22nd22nd
Van Eck Sequence
31st
22nd
19th
16th
252nd
Zodiac Signs
11th
49th
γ
5th
11th
λ
7th
29th
14th
17th15th
41st26th
π
28th
63rd39th
τ
23rd
58th33rd
φ
24th
27th1st
48th36th
√2
19th
26th1st
128th29th
𝑒
23rd
16th
20th
29th
117th24th