A213296 Number of n-length words w over 8-ary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z.

1, 8, 64, 428, 2556, 13224, 60600, 250062, 977026, 3754472, 14486158, 56109736, 220213038, 875120922, 3539254104, 14534439529, 60794185555, 258385808222, 1118113946883, 4915589687030, 21983704654711, 99825770573061, 460645444681024, 2156595097630195

Offset

0,2

Links

Table of n, a(n) for n=0..23.

Crossrefs

Column k=8 of A213276.

Sequence in context: A283859 A222446 A239034 * A223564 A146885 A122093

Adjacent sequences: A213293 A213294 A213295 * A213297 A213298 A213299

Keyword

nonn

Author

Alois P. Heinz, Jun 08 2012

Status

approved