12 Days of Christmas
331st
24 Game
45th
99 Bottles of Beer
328th
Abundant Numbers
68th
Abundant Numbers (Long)
37th
Arabic to Roman
50th
Arithmetic Numbers
12th
Ascending Primes
26th
Calendar
1st
Card Number Validation
20th
Catalan Numbers
1st
Chess Move Validation
35th
Collatz
65th12th
Connect Four
23rd
Diamonds
164th
Divisors
1st
Emirp Numbers
117th
Emirp Numbers (Long)
31st
Evil Numbers
1st
Evil Numbers (Long)
47th
Factorial Factorisation
64th
Farey Sequence
123rd
Fibonacci
1st
Fizz Buzz
84th
Foo Fizz Buzz Bar
1st
Fractions
1st
Gijswijt’s Sequence
48th
Happy Numbers
152nd
Happy Numbers (Long)
37th
Hilbert Curve
111th
Intersection
25th
Inventory Sequence
40th
ISBN
25th
Kolakoski Sequence
128th
Leap Years
18th
Leyland Numbers
10th
ln 2
148th
Look and Say
117th
Lucky Numbers
149th
Lucky Tickets
114th
Maze
83rd
Medal Tally
104th
Minesweeper
39th
N Queens
43rd
Niven Numbers
393rd
Niven Numbers (Long)
206th
Odious Numbers
1st
Odious Numbers (Long)
99th
PalindromemordnilaP
50th
Pangram Grep
69th
Partition Numbers
72nd
Pernicious Numbers
422nd
Pernicious Numbers (Long)
209th
Polyominoes
40th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
71st
Recamán
71st
Repeating Decimals
91st
ROT13
178th
Scrambled Sort
14th
Set
97th
Smith Numbers
66th
Star Wars GPT
34th
Taxicab Numbers
61st
Tic-tac-toe
90th
Time Distance
55th
Transpose Sentence
95th
Ulam Sequence
21st
Vampire Numbers
30th
τ
265th
φ
162nd
√2
224th