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A235733 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1

%I

%S 2660,102683,3906424,146785037,5507798734,206338701948,7729359642112,

%T 289479683332559,10841634018438254,406031478000180997,

%U 15206389099680101773,569496214098940360752,21328285621717396456336

%N Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

%C Column 5 of A235736

%H R. H. Hardin, <a href="/A235733/b235733.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 15 2014

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Last modified June 29 23:00 EDT 2022. Contains 354913 sequences. (Running on oeis4.)