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A297942
Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
1
1, 130, 102, 694, 3640, 16198, 76374, 376126, 1869918, 9484034, 48011978, 243246513, 1231030126, 6237187781, 31603163041, 160226927991, 812477894549, 4120721248833, 20900009783256, 106009403420658, 537712102244846
OFFSET
1,2
COMMENTS
Column 7 of A297943.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..0..0..1..1..0. .0..1..1..1..0..1..1. .0..1..1..1..1..1..1
..0..1..1..1..0..1..1. .0..0..1..0..1..0..1. .0..0..1..0..0..0..1
..0..1..0..0..1..0..1. .0..1..1..0..1..0..0. .1..1..0..1..1..1..0
..0..0..1..1..0..0..1. .1..0..0..0..1..1..1. .1..0..0..0..0..0..1
..0..1..0..0..1..0..1. .1..0..1..0..1..0..1. .0..1..1..1..1..1..1
..0..1..1..1..1..0..1. .0..1..1..0..1..0..0. .0..0..1..0..0..0..0
..0..0..0..0..0..1..1. .0..0..0..0..1..1..0. .0..1..1..0..0..0..0
CROSSREFS
Cf. A297943.
Sequence in context: A238613 A113489 A375387 * A298553 A298726 A299560
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 09 2018
STATUS
approved