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A297906 Number of n X 7 0..1 arrays with every element equal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero. 1
21, 203, 20, 466, 2353, 1586, 23911, 117161, 369290, 3815083, 22352269, 133622612, 1094086797, 7257658041, 50479207435, 380579362922, 2653381878723, 19060249633810, 139787845467370, 993619765856273, 7181175650570587 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A297907.
LINKS
EXAMPLE
Some solutions for n=7
..0..1..0..0..1..0..1. .0..1..0..0..1..0..0. .0..1..0..0..0..0..0
..0..1..0..0..1..0..1. .1..1..1..1..1..1..1. .1..0..0..1..0..1..1
..1..1..1..1..1..0..0. .0..1..0..0..0..0..0. .1..1..0..1..0..1..1
..0..1..0..0..1..0..1. .0..1..0..0..1..0..0. .1..1..0..0..0..0..1
..0..1..0..0..1..0..0. .1..1..1..1..1..1..1. .0..0..1..1..1..1..0
..1..1..1..1..1..0..0. .1..0..0..0..0..0..0. .1..1..0..0..1..0..0
..0..1..0..0..1..1..1. .1..0..0..1..1..0..0. .1..1..0..0..0..0..1
CROSSREFS
Cf. A297907.
Sequence in context: A341399 A125384 A126542 * A298500 A298319 A299392
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 08 2018
STATUS
approved

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Last modified May 24 14:39 EDT 2024. Contains 372778 sequences. (Running on oeis4.)