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A299688
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
1
21, 348, 3226, 159324, 3247879, 120453362, 4582634341, 154482346317, 5662974500151, 210384261219346, 7559261180323415, 276878327636310469, 10159747543598303848, 370022548604712000777, 13533405466101387449313
OFFSET
1,1
COMMENTS
Column 7 of A299689.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..1. .0..0..0..0..0..0..0. .0..0..1..0..1..1..0
..0..0..1..1..0..0..1. .0..0..1..1..0..1..1. .0..0..0..1..1..1..1
..0..0..1..1..0..0..0. .0..0..1..1..0..1..1. .0..0..1..0..0..1..1
..0..0..1..1..1..0..1. .0..0..1..0..0..1..0. .0..0..0..0..0..0..1
..0..0..1..1..1..1..0. .0..0..1..0..0..1..0. .0..0..0..0..0..1..0
CROSSREFS
Cf. A299689.
Sequence in context: A299885 A299051 A299813 * A300320 A271633 A184289
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2018
STATUS
approved