12 Days of Christmas
83rd
13th
99 Bottles of Beer
121st
10th
Abundant Numbers
257th
Abundant Numbers (Long)
190th
Arabic to Roman
209th
Arithmetic Numbers
156th
Arrows
234th
Ascending Primes
7th
ASCII Table
257th
Billiards
4th
brainfuck
189th
Card Number Validation
4th
Catalan Numbers
368th
Catalan’s Constant
21st
141st
16th
Christmas Trees
120th
17th
175th
9th
Collatz
71st
195th
9th
Cubes
16th
355th
3rd
Day of Week
175th
Diamonds
327th
Divisors
425th
Emirp Numbers
280th
Emirp Numbers (Long)
117th
Emojify
311th
Evil Numbers
580th
Evil Numbers (Long)
361st
Farey Sequence
10th
Fibonacci
51st91st
65th117th1st
1st
1st
Fizz Buzz
109th390th
212th
10th
Foo Fizz Buzz Bar
493rd
8th
Forsyth–Edwards Notation
120th
Fractions
428th
Gijswijt’s Sequence
8th
Happy Numbers
195th
12th
Happy Numbers (Long)
43rd
Hilbert Curve
5th
Intersection
309th
Inventory Sequence
18th
240th
7th
ISBN
190th
Kaprekar Numbers
6th
Kolakoski Constant
21st
184th
Kolakoski Sequence
174th
Leap Years
147th
Leyland Numbers
282nd
ln 2
15th
Look and Say
154th
Lucky Numbers
130th
Mandelbrot
5th
N Queens
6th
Niven Numbers
149th
Niven Numbers (Long)
160th
Number Spiral
21st
197th
7th
Odious Numbers
493rd
Odious Numbers (Long)
252nd
Ordinal Numbers
391st
PalindromemordnilaP
69th
4th
Pangram Grep
476th
Partition Numbers
7th
Pascal’s Triangle
307th
Pernicious Numbers
284th
Pernicious Numbers (Long)
146th
Polyominoes
10th
5th
Prime Numbers
212th
55th136th435th
91st
161st
14th
Prime Numbers (Long)
56th
Quine
400th
659th
13th
Recamán
308th
Reverse Polish Notation
8th
Rijndael S-box
150th
8th
Roman to Arabic
237th
ROT13
161st
Rule 110
214th
Sierpiński Triangle
268th
Smith Numbers
227th
Tic-tac-toe
6th
Tongue-twisters
368th
United States
205th
Vampire Numbers
131st
Van Eck Sequence
266th
γ
21st
97th
λ
20th12th26th5th
9th48th58th12th29th18th25th
32nd47th121st38th23rd
π
207th
τ
161st
φ
202nd
√2
256th
𝑒
305th