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A281610 Number of 7Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. 0

%I

%S 365,52193,736757,32354824,1421127262,56764280423,2352459742664,

%T 97337283237331,4014393674152359

%N Number of 7Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

%C Row 7 of A281605.

%e Some solutions for n=2

%e ..0..1. .0..0. .0..0. .0..1. .0..1. .0..1. .0..0. .0..1. .0..1. .0..1

%e ..0..1. .1..2. .1..1. .2..0. .0..2. .0..2. .1..1. .2..1. .2..1. .2..1

%e ..2..0. .0..1. .0..0. .1..2. .0..1. .0..2. .2..2. .1..0. .2..0. .2..0

%e ..1..2. .2..0. .2..1. .1..2. .2..1. .0..2. .0..0. .2..0. .2..1. .0..1

%e ..1..0. .2..0. .2..0. .2..1. .2..0. .1..0. .1..2. .0..2. .1..0. .2..1

%e ..2..0. .0..1. .1..0. .2..1. .0..1. .1..0. .1..0. .0..2. .1..2. .0..2

%e ..1..0. .0..2. .0..1. .2..0. .0..1. .2..2. .1..2. .0..2. .2..0. .0..1

%Y Cf. A281605.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 25 2017

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Last modified October 15 21:38 EDT 2021. Contains 348034 sequences. (Running on oeis4.)