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A236281 Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise 1

%I

%S 9504,901317,134940646,13055877546,1257559565027,86958471603770,

%T 5933159964415314,317203951128077296,16807249984788190582,

%U 735417478953714936519,31983707948933341383450,1188292593572981570300838

%N Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise

%C Column 4 of A236282

%H R. H. Hardin, <a href="/A236281/b236281.txt">Table of n, a(n) for n = 1..19</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 2014

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Last modified May 31 10:42 EDT 2020. Contains 334748 sequences. (Running on oeis4.)