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A304470 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero. 1
32, 293, 810, 2957, 18879, 89071, 380640, 2075796, 10775870, 50236164, 252869601, 1311260758, 6430735023, 31832985392, 162138295874, 811240544560, 4028528684490, 20287686091795, 101987678409279, 509203732604582 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A304472.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..0. .0..1..0..0..1..1. .0..1..1..0..0..1. .0..1..1..1..1..0
..0..1..0..0..1..1. .1..1..0..0..0..1. .0..0..1..1..0..1. .0..0..1..1..0..0
..0..0..0..0..1..0. .0..0..0..0..0..0. .1..1..1..1..1..1. .1..1..1..1..1..1
..0..1..0..0..0..0. .0..1..0..0..0..0. .1..1..1..0..0..1. .1..1..1..1..1..1
..1..1..0..0..0..1. .1..0..1..1..1..1. .1..1..1..0..1..1. .1..1..1..1..1..1
CROSSREFS
Cf. A304472.
Sequence in context: A305228 A304773 A316516 * A316287 A306051 A317228
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 13 2018
STATUS
approved

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Last modified June 18 00:47 EDT 2024. Contains 373468 sequences. (Running on oeis4.)