12 Days of Christmas
115th
99 Bottles of Beer
149th
Abundant Numbers
116th
Abundant Numbers (Long)
94th
Arabic to Roman
63rd
Arithmetic Numbers
88th
Arrows
125th
Ascending Primes
50th
ASCII Table
132nd
Calendar
66th
Card Number Validation
126th
Catalan Numbers
153rd
Catalan’s Constant
100th
Christmas Trees
26th
Collatz
129th
CSS Colors
183rd
Day of Week
1st
Diamonds
85th
Divisors
1st
Emirp Numbers
97th
Emirp Numbers (Long)
52nd
Emojify
170th
Evil Numbers
1st
Evil Numbers (Long)
46th
Factorial Factorisation
111th
Farey Sequence
158th
Fibonacci
211th
Fizz Buzz
83rd
Foo Fizz Buzz Bar
1st
Fractions
138th
Happy Numbers
152nd
Happy Numbers (Long)
90th
Hexdump
62nd
Inventory Sequence
83rd
ISBN
123rd
Kaprekar Numbers
54th
Kolakoski Constant
77th
Kolakoski Sequence
108th
Leap Years
64th
Leyland Numbers
10th
ln 2
1st
Medal Tally
67th
Niven Numbers
93rd
Niven Numbers (Long)
160th
Number Spiral
142nd
Odious Numbers
175th
Odious Numbers (Long)
178th
Ordinal Numbers
126th
PalindromemordnilaP
84th
Pangram Grep
69th
Pascal’s Triangle
92nd
Pernicious Numbers
162nd
Pernicious Numbers (Long)
72nd
Prime Numbers
101st
Prime Numbers (Long)
67th
Quine
90th
Recamán
140th
Rijndael S-box
121st
Roman to Arabic
80th
ROT13
104th
Scrambled Sort
72nd
Seven Segment
79th
Spelling Numbers
92nd
Tongue-twisters
189th
Transpose Sentence
57th
United States
19th
γ
64th
π
79th
τ
153rd
φ
67th
√2
1st
𝑒
1st