A297654 -id:A297654 - cp's OEIS frontend

A297660 Number of 7 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.

1, 5854, 346032, 11089103, 864944851, 65775301075, 3863740405975, 241491673018271, 16106282322466255, 1037330977711576009, 66060513585267380291, 4262867141607164322540, 275167885341459174925030

Offset: 1

R. H. Hardin, Jan 02 2018

nonn

Row 7 of A297654.

			Some solutions for n=2
..0..0. .1..1. .0..0. .1..1. .1..1. .1..1. .0..1. .1..0. .1..0. .0..0
..1..0. .1..1. .1..1. .0..0. .1..0. .0..1. .1..0. .0..1. .1..1. .1..1
..0..1. .1..1. .1..0. .0..1. .0..1. .1..1. .1..0. .1..1. .1..1. .1..1
..1..0. .0..1. .1..1. .1..0. .1..1. .1..1. .0..1. .1..0. .1..0. .1..0
..1..1. .1..0. .1..0. .1..1. .1..1. .1..1. .0..1. .1..1. .0..1. .0..0
..1..0. .0..1. .0..1. .1..0. .1..0. .1..0. .1..1. .0..1. .1..1. .1..1
..1..1. .1..0. .0..0. .0..1. .0..1. .0..0. .0..0. .1..0. .1..1. .0..0

R. H. Hardin, Table of n, a(n) for n = 1..210

Cf. A297654.

A297648 Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.

Original entry on oeis.org

1, 10, 231, 11024, 2525244, 1906300826, 3863740405975, 26223048303944542, 618905182069042142432, 45235515405863464673598537

Offset: 1

R. H. Hardin, Jan 02 2018

nonn

Diagonal of A297654.

			Some solutions for n=4
..1..1..1..0. .0..1..0..1. .1..0..1..0. .0..1..1..0. .1..1..1..1
..1..0..0..0. .1..0..1..1. .0..1..0..1. .1..0..0..0. .1..0..0..0
..0..0..1..0. .0..0..1..0. .1..1..0..0. .0..0..1..0. .0..1..1..0
..0..0..0..1. .1..1..0..1. .0..1..0..0. .0..0..1..1. .1..1..0..1

Cf. A297654.

cp's OEIS Frontend

A297660 Number of 7 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.

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