A322297 Number of permutations of [n] in which the length of every increasing run is 0 or 1 (mod 7).

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

Alois P. Heinz, Table of n, a(n) for n = 0..526

Crossrefs

Cf. A317111, A322251, A322262, A322276, A322298.

Sequence in context: A338186 A208073 A022027 * A338933 A013730 A270924

Adjacent sequences: A322294 A322295 A322296 * A322298 A322299 A322300

Keyword

nonn

Author

Alois P. Heinz, Dec 02 2018

Status

approved