12 Days of Christmas
517th
99 Bottles of Beer
293rd
Abundant Numbers
54th
Abundant Numbers (Long)
32nd
Arithmetic Numbers
132nd
Catalan Numbers
1st
Christmas Trees
118th
Collatz
100th
47th7th43rd
Day of Week
83rd
Diamonds
157th
Divisors
1st
Emirp Numbers
257th
Emirp Numbers (Long)
125th
Evil Numbers
250th
Evil Numbers (Long)
162nd
Fibonacci
55th
162nd
56th
Fizz Buzz
58th
Foo Fizz Buzz Bar
1st
Fractions
74th
Gijswijt’s Sequence
105th
Happy Numbers
129th
Happy Numbers (Long)
169th
Intersection
64th
Inventory Sequence
66th
ISBN
84th
Kolakoski Sequence
112th
Leap Years
54th
20th
Levenshtein Distance
132nd
Leyland Numbers
227th
10th
ln 2
111th
Look and Say
314th
Lucky Numbers
193rd
Lucky Tickets
101st
Medal Tally
8th60th
Niven Numbers
75th
Niven Numbers (Long)
42nd
Number Spiral
133rd
Odious Numbers
255th
Odious Numbers (Long)
154th
Ordinal Numbers
85th
Pangram Grep
60th
Pascal’s Triangle
242nd
Pernicious Numbers
77th
Pernicious Numbers (Long)
81st
Prime Numbers
359th
Prime Numbers (Long)
196th
Recamán
123rd
Reverse Polish Notation
1st
Seven Segment
347th
Smith Numbers
143rd
Sudoku (Fill-in)
43rd
Tongue-twisters
191st
United States
290th
Van Eck Sequence
134th
Zodiac Signs
100th
𝑒
241st