OFFSET
1,5
COMMENTS
Frequency of occurrence for the first 73 terms (semicolons separate rows): 2; 4; 8; 4, 12; 32; 10, 54; 9, 119; 20, 12, 8, 216; 17, 18, 477; 134, 220, 130, 540; 35, 495, 1518; 34, 12, 3426, 624; 54, 8138; 67, 8442, 644, 371, 168, 6692; 113, 32655; 116, 12, 8, 680, 1920, 62800; 138, 93330, 15895, 21709; 181, 36, 2349, 57024, 198594, 3960; 249, 28481, 495558; 534, 12, 3040, 49700, 270, 3300, 614140, 30660, 342380, 4540; 414, 455, 42, 7938, 331590, 1756713. Note that the sum of the frequencies of row n is 2^n.
EXAMPLE
Triangle begins:
1
1
1
1 2
1
1 9
1 14
1 2 8 16
1 3 7
1 5 15 25
1 7 110
1 2 9 18
1 351
1 7 12 14 21 91
1 295
1 2 8 16 24 32
1 7 119 578
1 3 7 9 27 81
1 190 285
1 2 5 7 15 25 30 50 200 240
1 14 21 189 315 630
CROSSREFS
KEYWORD
nonn,tabf,hard,more
AUTHOR
Hans Havermann, Jun 08 2020
STATUS
approved