A237027 - OEIS

%I #5 Feb 02 2014 12:19:11

%S 81,11205,11703666,93104881597,5114994760537075,

%T 2003793957976560041092,5504724844486277965571351281,

%U 106840883990714984887612928008269765,14602647558550285686030851250177063594638018

%N Number of (n+1)X(n+1) 0..2 arrays with the maximum of every 2X2 subblock equal

%C Diagonal of A237035

%H R. H. Hardin, <a href="/A237027/b237027.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 02 2014