12 Days of Christmas
101st
99 Bottles of Beer
133rd
Abundant Numbers
109th
Abundant Numbers (Long)
90th
Arabic to Roman
56th
Arithmetic Numbers
84th
Arrows
114th
Ascending Primes
44th
ASCII Table
117th
Calendar
50th
Card Number Validation
117th
Catalan Numbers
141st
Catalan’s Constant
89th
Christmas Trees
19th
Collatz
118th
CSS Colors
173rd
Day of Week
1st
Diamonds
77th
Divisors
1st
Emirp Numbers
91st
Emirp Numbers (Long)
48th
Emojify
161st
Evil Numbers
1st
Evil Numbers (Long)
42nd
Factorial Factorisation
98th
Farey Sequence
140th
Fibonacci
194th
Fizz Buzz
63rd
Foo Fizz Buzz Bar
1st
Fractions
126th
Happy Numbers
144th
Happy Numbers (Long)
83rd
Hexdump
56th
Inventory Sequence
73rd
ISBN
114th
Kaprekar Numbers
45th
Kolakoski Constant
66th
Kolakoski Sequence
103rd
Leap Years
59th
Leyland Numbers
8th
ln 2
1st
Medal Tally
59th
Niven Numbers
87th
Niven Numbers (Long)
149th
Number Spiral
124th
Odious Numbers
161st
Odious Numbers (Long)
165th
Ordinal Numbers
117th
PalindromemordnilaP
71st
Pangram Grep
63rd
Pascal’s Triangle
89th
Pernicious Numbers
157th
Pernicious Numbers (Long)
66th
Prime Numbers
92nd
Prime Numbers (Long)
62nd
Quine
81st
Recamán
130th
Rijndael S-box
109th
Roman to Arabic
74th
ROT13
97th
Scrambled Sort
63rd
Seven Segment
70th
Spelling Numbers
84th
Tongue-twisters
184th
Transpose Sentence
54th
United States
15th
γ
57th
π
73rd
τ
141st
φ
59th
√2
1st
𝑒
1st