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A232907 Number of (n+1) X (7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally. 1

%I #6 Jun 09 2023 22:51:23

%S 8456,2338508,778576484,277340920860,94910986590236,32741432293204560,

%T 11310637537927864312,3901696154791005963920,

%U 1346657355077550194257760,464739057334245893806118780,160383951411792680623095807084

%N Number of (n+1) X (7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.

%C Column 7 of A232908.

%H R. H. Hardin, <a href="/A232907/b232907.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%Y Cf. A232908.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2013

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)