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A237867 Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1

%I #4 Feb 14 2014 07:56:51

%S 453088,14144254,466228162,16245005586,524709935082,17294230106544,

%T 584650294058044,19984640052472780,658291169914743394,

%U 21904913699484406216,739180534221657607156,25003488678659571481024

%N Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Column 7 of A237868

%H R. H. Hardin, <a href="/A237867/b237867.txt">Table of n, a(n) for n = 1..14</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 14 2014

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)