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A297651 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s. 1
12, 494, 6838, 131044, 2525244, 46187510, 864944851, 16149058068, 300870617401, 5613564284292, 104698838837111, 1952650753998364, 36420081863348278, 679272850629109385, 12669181880403565080, 236294959020596014510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A297654.

LINKS

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

R. H. Hardin, Empirical recurrence of order 60

FORMULA

Empirical recurrence of order 60 (see link above)

EXAMPLE

Some solutions for n=4

..0..1..0..0..0. .0..0..1..1..0. .0..1..1..0..0. .1..0..1..0..0

..1..0..1..0..0. .1..1..0..1..0. .0..0..0..1..0. .1..1..0..1..0

..1..0..0..1..1. .1..1..0..0..0. .0..1..1..0..1. .0..1..0..1..0

..0..1..0..1..1. .0..0..1..0..0. .0..0..0..1..1. .0..0..1..1..0

CROSSREFS

Cf. A297654.

Sequence in context: A229634 A196704 A175322 * A296596 A196853 A196947

Adjacent sequences:  A297648 A297649 A297650 * A297652 A297653 A297654

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2018

STATUS

approved

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Last modified February 22 07:46 EST 2020. Contains 332118 sequences. (Running on oeis4.)