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A297761 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s. 1
1, 733, 24801, 759243, 45618455, 2301783905, 108229776807, 5394743533114, 267870723932943, 13164280362488109, 649645311987327236, 32083173143952274627, 1582748891993544903545, 78096927219843019316942 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A297762.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..1..0..1..1..0. .0..1..1..1..0..1..1. .1..1..1..0..0..1..0
..0..1..0..1..1..1..1. .1..1..0..0..1..1..1. .1..1..1..0..1..1..1
..0..0..1..1..0..0..0. .0..0..0..1..1..0..0. .0..1..0..1..0..1..1
CROSSREFS
Cf. A297762.
Sequence in context: A180919 A166607 A346024 * A220625 A260035 A033529
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved

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Last modified April 15 02:01 EDT 2024. Contains 371667 sequences. (Running on oeis4.)