12 Days of Christmas
37th
99 Bottles of Beer
28th91st
Abundant Numbers
50th
25th
18th156th
Abundant Numbers (Long)
6th99th
Arithmetic Numbers
115th
Arrows
329th
Catalan Numbers
238th
Catalan’s Constant
13th
Christmas Trees
3rd269th
Collatz
23rd3rd
27th44th70th20th
14th6th
Day of Week
1st
Diamonds
65th
Divisors
53rd
67th
15th92nd171st48th
2nd1st
Emirp Numbers
15th16th
Emirp Numbers (Long)
171st
Evil Numbers
82nd70th
10th60th95th
28th329th
48th
Evil Numbers (Long)
12th
59th
17th225th
Factorial Factorisation
196th
Fibonacci
141st44th132nd
55th
1st87th1st1st44th9th1st23rd191st
Fizz Buzz
20th
76th222nd
Foo Fizz Buzz Bar
41st20th
Fractions
82nd
12th115th
Happy Numbers
56th
Happy Numbers (Long)
198th
Hilbert Curve
10th
Kolakoski Sequence
11th14th
Leap Years
25th
46th155th
Levenshtein Distance
174th
Leyland Numbers
15th339th
Morse Encoder
72nd
Niven Numbers
66th39th57th
34th48th134th34th
21st156th
Niven Numbers (Long)
29th
16th117th
Odious Numbers
72nd
11th
107th
26th163rd
Odious Numbers (Long)
53rd
10th
64th
17th166th
Ordinal Numbers
51st
Pangram Grep
24th127th
Pascal’s Triangle
118th
Pernicious Numbers
31st
37th99th
Prime Numbers
121st
35th
162nd
35th343rd
Prime Numbers (Long)
233rd
Quine
140th
117th
82nd
Recamán
17th309th
Reverse Polish Notation
56th
36th
Seven Segment
202nd
Sierpiński Triangle
203rd
Van Eck Sequence
213th
𝑒
29th61st23rd10th55th59th34th14th31st50th37th16th27th23rd14th14th
24th411th42nd