12 Days of Christmas
647
24 Game
49
99 Bottles of Beer
641
Abundant Numbers
787
Abundant Numbers (Long)
836
Arabic to Roman
599
Arithmetic Numbers
549
Arrows
475
Ascending Primes
232
ASCII Table
596
brainfuck
536
Catalan Numbers
56
Catalan’s Constant
189
Christmas Trees
348
Collatz
965
CSS Colors
218
Cubes
215
Day of Week
770
Diamonds
200
Divisors
817
Emirp Numbers
400
Emirp Numbers (Long)
159
Emojify
361
Evil Numbers
474
Evil Numbers (Long)
72
Factorial Factorisation
256
Farey Sequence
59
Fibonacci
767455636
652690412846917500692556
Fizz Buzz
1,0001,000898
Foo Fizz Buzz Bar
50
Fractions
692
Gijswijt’s Sequence
121
Happy Numbers
443
Happy Numbers (Long)
233
Inventory Sequence
76
ISBN
692
Kolakoski Constant
203
Kolakoski Sequence
142
Leap Years
818815
932852827
Leyland Numbers
211
ln 2
149
Look and Say
177
Lucky Numbers
54
Morse Encoder
166
N Queens
232
Niven Numbers
424
Niven Numbers (Long)
30
Number Spiral
400
Odious Numbers
457
Odious Numbers (Long)
72
Pascal’s Triangle
168
Pernicious Numbers
315
Pernicious Numbers (Long)
11
Prime Numbers
456
Prime Numbers (Long)
28
Quine
440447
833
969
Recamán
152
Reverse Polish Notation
814
Reversi
488
Rijndael S-box
325
Rock-paper-scissors-Spock-lizard
663
Seven Segment
555
SI Units
501
Sierpiński Triangle
253
Smith Numbers
165
Tongue-twisters
617
United States
209
Vampire Numbers
263
Van Eck Sequence
65
γ
211
λ
366
π
169
τ
175
φ
141
√2
146
𝑒
141