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A281836 Number of nX7 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards. 1

%I

%S 64,7181,174121,5954670,208837689,7184856176,249711414322,

%T 8720904906157,304343654274741,10622958299884002,370930580282054293,

%U 12952520251947814234,452283856657069177772,15793443298614435564329

%N Number of nX7 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.

%C Column 7 of A281837.

%H R. H. Hardin, <a href="/A281836/b281836.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A281837.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2017

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Last modified March 26 04:14 EDT 2023. Contains 361529 sequences. (Running on oeis4.)