A243314 Number of ways to reciprocally link elements of an n X 8 array either to themselves or to exactly one king-move neighbor.

1, 34, 55888, 37213728, 31371388772, 25014514225856, 20223491612180232, 16295162098717276928, 13140746227808545282304, 10594819370472223969569120, 8542571199105608333942735840, 6887766005343647823407800357376, 5553534245505786602829188504607680

Offset

0,2

Links

Alois P. Heinz, Table of n, a(n) for n = 0..150

Crossrefs

Column k=8 of A220644.

Sequence in context: A222875 A180770 A335096 * A358490 A189649 A280901

Adjacent sequences: A243311 A243312 A243313 * A243315 A243316 A243317

Keyword

nonn

Author

Alois P. Heinz, Jun 03 2014

Status

approved