12 Days of Christmas
27th
Abundant Numbers
8th
Arabic to Roman
263rd
Arithmetic Numbers
121st
Ascending Primes
25th
ASCII Table
12th
Card Number Validation
45th
Catalan Numbers
94th
Christmas Trees
282nd
Collatz
254th
CSS Colors
479th
Day of Week
136th
Divisors
358th
893rd
Emirp Numbers
716th
Evil Numbers
178th
Evil Numbers (Long)
98th
Factorial Factorisation
7th
Farey Sequence
22nd
Fibonacci
326th189th299th
Fizz Buzz
18th2,850th
Foo Fizz Buzz Bar
206th
92nd
Forsyth–Edwards Notation
5th
Fractions
9th
Gijswijt’s Sequence
15th
Happy Numbers
24th
Happy Numbers (Long)
457th
Kolakoski Constant
90th
Kolakoski Sequence
128th
44th
Levenshtein Distance
84th
4th
Leyland Numbers
298th
ln 2
58th
Look and Say
38th
Lucky Numbers
22nd
Medal Tally
3rd
Niven Numbers
156th
Niven Numbers (Long)
59th
Odious Numbers
156th
Odious Numbers (Long)
134th
Ordinal Numbers
208th
PalindromemordnilaP
100th
14th
Pangram Grep
28th
Pascal’s Triangle
372nd
Pernicious Numbers
178th
Pernicious Numbers (Long)
225th
Prime Numbers
595th143rd197th
Prime Numbers (Long)
535th
270th
Quine
427th
Repeating Decimals
11th
Reverse Polish Notation
400th
Roman to Arabic
227th
ROT13
56th
Time Distance
37th
Transpose Sentence
47th
Van Eck Sequence
50th
π
55th
τ
43rd
φ
57th
√2
146th
𝑒
130th