12 Days of Christmas
151st
99 Bottles of Beer
51st
Abundant Numbers
5th
72nd
Abundant Numbers (Long)
3rd
52nd
Arithmetic Numbers
7th
60th
ASCII Table
21st
53rd
brainfuck
214th
Catalan Numbers
5th
77th
Catalan’s Constant
5th
106th
4th
Christmas Trees
317th
Collatz
6th
19th
CSS Colors
32nd
Day of Week
94th
Divisors
19th
19th
1st
Emirp Numbers
9th
87th
Emirp Numbers (Long)
4th
49th
Evil Numbers
17th
98th
Evil Numbers (Long)
6th
29th
Farey Sequence
3rd
90th
Fibonacci
18th
210th
129th
19th
Fizz Buzz
92nd
354th
46th
199th
19th
Foo Fizz Buzz Bar
78th
1st
10th
Fractions
55th
Gijswijt’s Sequence
5th
Happy Numbers
7th
40th
Happy Numbers (Long)
5th
52nd
Intersection
44th
Inventory Sequence
4th
126th
ISBN
28th
Jacobi Symbol
43rd
Kolakoski Constant
5th
Kolakoski Sequence
18th
244th
Leap Years
13th
131st
Leyland Numbers
6th
122nd
ln 2
5th
92nd
Look and Say
6th
62nd
Lucky Numbers
6th
93rd
Lucky Tickets
63rd
Niven Numbers
9th
145th
Niven Numbers (Long)
6th
128th
Number Spiral
10th
132nd
Odious Numbers
7th
70th
Odious Numbers (Long)
6th
55th
Ordinal Numbers
87th
Pangram Grep
165th
Pascal’s Triangle
12th
90th
Pernicious Numbers
15th
76th
Pernicious Numbers (Long)
8th
54th
Prime Numbers
8th
36th
58th
Prime Numbers (Long)
6th
38th
Quine
2nd
1st
Recamán
4th
292nd
Reverse Polish Notation
17th
Sierpiński Triangle
145th
Smith Numbers
5th
91st
Tongue-twisters
139th
United States
272nd
Vampire Numbers
6th
130th
Van Eck Sequence
11th
111th
γ
5th
46th
λ
10th
π
10th
τ
10th
φ
10th
√2
10th
167th
𝑒
11th