12 Days of Christmas
90
80
24 Game
87
99 Bottles of Beer
314
10
Abundant Numbers
283432342
486353
353472
Abundant Numbers (Long)
306532351
517368
394520
Arabic to Roman
168
Arithmetic Numbers
309527382
522354
479
Arrows
139
Ascending Primes
142
ASCII Table
235
Catalan Numbers
764
Christmas Trees
238
297
325
292458
Collatz
305481396
477364
432
Cubes
186
Diamonds
206
236
236
200
172
Divisors
363521381424
315
416604
Emirp Numbers
194184194
346
Emirp Numbers (Long)
257326293
309
Emojify
177
208
Evil Numbers
347
Evil Numbers (Long)
347
Factorial Factorisation
200
229
151
Farey Sequence
224
Fibonacci
247733242
469330
304444
Fizz Buzz
341
477
334599333
210349329
263
Foo Fizz Buzz Bar
397
460
243
Fractions
432246
412
Gijswijt’s Sequence
330
Happy Numbers
162164
207
Happy Numbers (Long)
227231
259
Hexdump
207
Intersection
340
Inventory Sequence
346
ISBN
382
Kaprekar Numbers
210
Kolakoski Sequence
339
Leap Years
368
Levenshtein Distance
241
230
Leyland Numbers
377
Look and Say
267
Medal Tally
174
Morse Decoder
104
Morse Encoder
110
Musical Chords
55
N Queens
245
Niven Numbers
225
272
351
Niven Numbers (Long)
281
319
390
Number Spiral
157
Odious Numbers
404
Odious Numbers (Long)
346
PalindromemordnilaP
509
Pascal’s Triangle
316
343
Pernicious Numbers
174
Pernicious Numbers (Long)
218
Prime Numbers
306
Prime Numbers (Long)
329
Quine
388
Recamán
255
Rock-paper-scissors-Spock-lizard
197
Roman to Arabic
104
Seven Segment
234
Sierpiński Triangle
109
Smith Numbers
194
Tic-tac-toe
129
Tongue-twisters
277
Van Eck Sequence
416
𝑒
383