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 A269295 Number of 7Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once. 1
 16384, 34012224, 26317946844, 17623065834612, 10908770041709316, 6444304707617709156, 3689070798270477232620, 2064575194564255507198260, 1135872003598654165478951652, 616641759542150716175805966228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A269289. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=2 ..0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0 ..0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0 ..2..3. .0..1. .1..1. .2..0. .2..3. .2..2. .2..0. .2..2. .2..1. .2..2 ..0..2. .0..0. .1..0. .3..1. .3..3. .0..1. .3..1. .0..0. .1..3. .0..0 ..2..0. .1..3. .1..2. .0..0. .3..1. .2..0. .1..3. .1..3. .3..2. .1..0 ..2..3. .3..3. .0..0. .1..1. .0..0. .2..2. .2..3. .2..2. .0..0. .3..1 ..1..1. .1..2. .0..0. .1..3. .1..0. .2..2. .2..2. .2..0. .2..2. .0..1 CROSSREFS Cf. A269289. Sequence in context: A224209 A017035 A326252 * A017119 A017215 A017323 Adjacent sequences:  A269292 A269293 A269294 * A269296 A269297 A269298 KEYWORD nonn AUTHOR R. H. Hardin, Feb 21 2016 STATUS approved

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Last modified April 8 02:27 EDT 2020. Contains 333312 sequences. (Running on oeis4.)