12 Days of Christmas
639
24 Game
45
99 Bottles of Beer
627
Abundant Numbers
759
Abundant Numbers (Long)
795
Arabic to Roman
570
Arithmetic Numbers
521
Arrows
457
Ascending Primes
214
ASCII Table
572
brainfuck
515
Catalan Numbers
53
Catalan’s Constant
180
Christmas Trees
335
Collatz
913
CSS Colors
207
Cubes
195
Day of Week
714
Diamonds
190
Divisors
791
Emirp Numbers
385
Emirp Numbers (Long)
150
Emojify
347
Evil Numbers
460
Evil Numbers (Long)
68
Factorial Factorisation
241
Farey Sequence
56
Fibonacci
718434591
633652393787896479681537
Fizz Buzz
986974889
Foo Fizz Buzz Bar
48
Fractions
659
Gijswijt’s Sequence
113
Happy Numbers
426
Happy Numbers (Long)
220
Inventory Sequence
72
ISBN
655
Kolakoski Constant
191
Kolakoski Sequence
134
Leap Years
775739
887796812
Leyland Numbers
199
ln 2
140
Look and Say
169
Lucky Numbers
50
Morse Encoder
157
N Queens
206
Niven Numbers
409
Niven Numbers (Long)
29
Number Spiral
374
Odious Numbers
440
Odious Numbers (Long)
68
Pascal’s Triangle
161
Pernicious Numbers
302
Pernicious Numbers (Long)
10
Prime Numbers
442
Prime Numbers (Long)
27
Quine
412428
806
945
Recamán
145
Reverse Polish Notation
757
Reversi
453
Rijndael S-box
293
Rock-paper-scissors-Spock-lizard
637
Seven Segment
517
SI Units
489
Sierpiński Triangle
242
Smith Numbers
156
Tongue-twisters
606
United States
202
Vampire Numbers
243
Van Eck Sequence
61
γ
197
λ
326
π
164
τ
167
φ
134
√2
139
𝑒
134