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A236279 Number of (n+1)X(2+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise 1

%I #5 Jan 21 2014 13:00:59

%S 432,5805,87450,901317,9293996,73777097,583531732,3814287681,

%T 24858329516,139836395921,784874890619,3914363002363,19489759979307,

%U 88019540187885,397033923060013,1649563318118096,6847455887807999,26493023678026609

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

%C Column 2 of A236282

%H R. H. Hardin, <a href="/A236279/b236279.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 2014

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