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A269058 Number of 7Xn 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once. 1
2187, 29646, 464250, 9779808, 187575858, 3726221592, 71430596250, 1369456711662, 25864594357554, 485843586726426, 9051481373536698, 167744789740348134, 3091817487227619306, 56742145362259364580 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A269052.

LINKS

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

R. H. Hardin, Empirical recurrence of order 92

FORMULA

Empirical recurrence of order 92 (see link above)

EXAMPLE

Some solutions for n=2

..2..1. .0..0. .2..2. .2..2. .2..1. .2..2. .2..1. .2..1. .1..2. .2..2

..0..1. .0..1. .2..2. .1..0. .0..1. .1..2. .0..1. .0..1. .2..2. .1..2

..2..1. .0..0. .1..1. .1..0. .0..1. .2..2. .0..1. .2..1. .1..2. .2..2

..2..1. .1..0. .2..2. .1..0. .0..1. .1..2. .0..1. .2..1. .1..2. .2..2

..0..0. .1..0. .1..2. .1..2. .0..0. .2..2. .0..0. .0..0. .2..1. .1..2

..1..0. .2..2. .1..0. .1..2. .0..0. .2..1. .2..1. .1..0. .0..1. .2..2

..1..0. .1..2. .1..2. .1..0. .0..0. .0..1. .0..1. .0..0. .0..1. .2..1

CROSSREFS

Cf. A269052.

Sequence in context: A232287 A219134 A233160 * A217970 A209509 A016759

Adjacent sequences:  A269055 A269056 A269057 * A269059 A269060 A269061

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 18 2016

STATUS

approved

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Last modified June 23 07:38 EDT 2021. Contains 345395 sequences. (Running on oeis4.)