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A322297
Number of permutations of [n] in which the length of every increasing run is 0 or 1 (mod 7).
4
1, 1, 1, 1, 1, 1, 1, 2, 16, 128, 800, 4160, 18944, 78080, 301160, 1208066, 6753606, 60823622, 648980646, 6581663766, 60475366230, 505780634070, 3921237755958, 29226687666930, 227116001463258, 2092153010685722, 24250743543656922, 322040690042341562
OFFSET
0,8
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 02 2018
STATUS
approved