12 Days of Christmas
34th
19th
25th
13th
66th
9th
99 Bottles of Beer
49th
31st
24th
22nd
79th
Abundant Numbers
6th
12th35th15th
44th27th
18th12th
19th
51st56th
8th
Abundant Numbers (Long)
15th
20th
23rd
11th
28th
Arabic to Roman
22nd
17th68th
22nd
11th
71st
Arithmetic Numbers
1st
Arrows
20th
21st
33rd
Ascending Primes
23rd
ASCII Table
49th
24th
5th
195th
brainfuck
31st
13th
9th
42nd
Card Number Validation
15th
Catalan Numbers
36th
1st
1st1st
Catalan’s Constant
12th
20th
Christmas Trees
12th
6th
4th
14th19th
152nd27th
Collatz
18th3rd17th
25th
15th1st
31st36th
CSS Colors
5th
4th
10th
16th15th
Cubes
19th
7th
9th
136th
Day of Week
1st
Diamonds
38th
22nd
13th
50th33rd
Divisors
12th
34th26th28th
37th
25th25th
1st
1st39th
8th
Emirp Numbers
7th
26th
15th
12th
18th12th21st
26th21st
6th
Emirp Numbers (Long)
15th
11th
19th
Emojify
16th
46th
Evil Numbers
22nd10th15th
22nd
48th
19th14th
1st33rd
8th
Evil Numbers (Long)
29th
16th
13th
33rd
Factorial Factorisation
10th
Farey Sequence
29th
Fibonacci
31st
8th41st1st
1st1st147th
47th1st
1st
43rd
1st7th
1st
Fizz Buzz
8th
19th147th108th65th
18th102nd103rd
145th1st
47th9th
100th54th1st74th13th
Foo Fizz Buzz Bar
49th42nd34th
41st
36th19th
1st32nd
Forsyth–Edwards Notation
25th
Fractions
30th
32nd
23rd
127th1st
Game of Life
9th
Gijswijt’s Sequence
10th
Happy Numbers
3rd
43rd28th21st
19th
43rd
25th12th
1st43rd
10th
Happy Numbers (Long)
25th15th6th
33rd
13th12th
30th33rd
Hexdump
2nd
60th
Intersection
9th
18th
3rd
56th
Inventory Sequence
32nd
24th
4th
ISBN
10th
14th
5th
35th
Jacobi Symbol
9th
6th
10th8th
27th
Kolakoski Constant
6th
6th
2nd
18th15th
Kolakoski Sequence
6th5th6th
10th11th
121st17th
Leap Years
23rd
7th20th3rd
14th8th
21st1st
17th
46th135th27th
9th
Levenshtein Distance
17th
12th
1st
12th
87th1st
Leyland Numbers
14th
19th
34th
7th
180th37th
ln 2
16th
68th
Look and Say
27th
15th
65th50th
Lucky Numbers
20th
135th20th
Lucky Tickets
9th
15th
30th14th
Maze
17th
Medal Tally
7th
Morse Decoder
6th
15th
35th
Morse Encoder
9th
5th
12th
6th
35th
Musical Chords
13th
Niven Numbers
41st35th28th
25th
24th
34th1st
24th
35th67th28th
20th
Niven Numbers (Long)
31st
29th
1st
203rd
Number Spiral
19th
11th
13th
55th
Odious Numbers
21st10th12th
19th
45th
19th11th
1st29th
8th
Odious Numbers (Long)
19th
19th
11th
1st
Ordinal Numbers
25th
14th
28th
1st
23rd135th
Pangram Grep
22nd
11th
1st
52nd54th
Pascal’s Triangle
28th
16th
43rd
17th
119th
Pernicious Numbers
1st
1st
17th
21st1st
1st20th
Pernicious Numbers (Long)
18th
19th
12th
183rd
Poker
8th
34th
Prime Numbers
22nd30th13th
32nd1st29th1st
29th
49th24th
13th
Prime Numbers (Long)
20th22nd11th
41st1st16th1st
1st
1st60th
4th
Proximity Grid
8th
QR Decoder
6th
17th
Quine
1st
7th
32nd
63rd1st
1st85th
Recamán
4th
1st
17th
169th
Repeating Decimals
15th
Reverse Polish Notation
10th
132nd
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
13th
46th
Roman to Arabic
26th
1st10th
Rule 110
5th
9th
55th20th
Scrambled Sort
17th
Seven Segment
23rd
11th
9th
28th
SI Units
9th
Sierpiński Triangle
11th6th8th
9th8th
26th7th
6th
Smith Numbers
4th
12th16th14th
9th
12th16th
25th
Spelling Numbers
6th
61st
Star Wars Opening Crawl
19th
Sudoku
6th
37th
Sudoku (Fill-in)
14th
58th
Ten-pin Bowling
15th
Time Distance
13th
65th
Tongue-twisters
22nd
17th
19th
160th
United States
3rd
43rd
Vampire Numbers
4th
8th
22nd21st
Van Eck Sequence
29th
20th
19th
16th
238th
Zodiac Signs
11th
45th
γ
5th
11th
λ
7th
29th
14th
14th12th
36th24th
π
26th
61st63rd
τ
23rd
57th42nd
φ
24th
22nd1st
44th34th
√2
19th
17th1st
115th29th
𝑒
23rd
16th
20th
28th
102nd23rd