12 Days of Christmas
12th
17th
21st
197th
10th
24 Game
15th
4th
99 Bottles of Beer
27th
454th
8th
Abundant Numbers
17th
240th
6th
Abundant Numbers (Long)
9th
157th
6th
Arabic to Roman
114th
12th
Arrows
140th
Ascending Primes
143rd
ASCII Table
17th
108th
8th
brainfuck
82nd4th
Card Number Validation
116th
Catalan Numbers
15th
83rd
342nd
4th
Catalan’s Constant
16th
41st
133rd
4th
Christmas Trees
24th
61st
2nd
Collatz
17th
117th
9th
CSS Colors
37th
87th
4th
Cubes
11th
89th
4th
Day of Week
1st
55th
95th
6th
Diamonds
20th
42nd
78th
3rd
Divisors
32nd
1st
8th
Emirp Numbers
14th
156th
284th
4th
Emirp Numbers (Long)
10th
131st
2nd
Emojify
90th
Evil Numbers
22nd
20th
112th
6th
Evil Numbers (Long)
10th
13th
32nd
4th
Factorial Factorisation
140th
Fibonacci
25th
159th
25th
Fizz Buzz
165th
94th
53rd
1st
262nd
53rd
9th
16th
Foo Fizz Buzz Bar
8th
46th
1st
7th
Forsyth–Edwards Notation
86th
Fractions
89th
1st
Game of Life
110th
Gijswijt’s Sequence
7th
8th
3rd
6th
8th
35th
10th8th
109th
7th
4th
10th
Happy Numbers
11th
47th
164th
7th
Happy Numbers (Long)
10th
98th
3rd
Hexdump
152nd
Intersection
53rd
Inventory Sequence
14th
158th
3rd
ISBN
107th
Jacobi Symbol
91st
Kolakoski Constant
20th16th14th25th17th15th39th24th20th17th22nd11th16th16th6th6th12th16th18th20th14th
15th8th29th38th12th7th23rd6th5th4th12th13th33rd8th121st12th13th31st9th7th6th5th8th5th7th4th9th11th
Kolakoski Sequence
21st
103rd
68th
5th
Leap Years
18th
538th
10th
Levenshtein Distance
1st
Leyland Numbers
16th
137th
4th
ln 2
85th
Look and Say
8th
144th
3rd
Lucky Numbers
13th
12th
50th
73rd
4th
Lucky Tickets
139th
Morse Decoder
195th
Morse Encoder
225th
N Queens
73rd
Niven Numbers
20th
372nd
7th
Niven Numbers (Long)
15th
194th
6th
Number Spiral
15th
5th
Odious Numbers
22nd
22nd
135th
7th
Odious Numbers (Long)
11th
13th
132nd
4th
Ordinal Numbers
112th
1st
6th
Pangram Grep
125th
Pascal’s Triangle
18th
86th
68th
7th
Pernicious Numbers
17th
129th
6th
Pernicious Numbers (Long)
14th
102nd
6th
Prime Numbers
19th
247th
76th
373rd
22nd
7th
Prime Numbers (Long)
13th
527th
25th
5th
Quine
1st
1st
58th
Recamán
17th
38th
4th
Repeating Decimals
9th
78th
Reverse Polish Notation
195th
Rijndael S-box
12th
2nd
Rock-paper-scissors-Spock-lizard
13th
253rd
Roman to Arabic
50th
ROT13
61st
22nd
Rule 110
15th
92nd
263rd
4th
Seven Segment
158th
SI Units
37th
3rd
Sierpiński Triangle
14th
5th
Smith Numbers
14th
63rd
24th
4th
Spelling Numbers
80th
Time Distance
49th
Tongue-twisters
15th8th
206th
10th
Transpose Sentence
123rd
United States
200th
Vampire Numbers
17th
107th
3rd
Van Eck Sequence
15th
215th
2nd
Zeckendorf Representation
68th
γ
13th
22nd
73rd
5th
4th
λ
25th
64th
128th
4th
π
22nd
159th
172nd
45th
4th
τ
23rd
172nd
30th
4th
φ
27th
155th
4th
√2
24th
126th
4th
𝑒
24th
80th9th
5th