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A253797 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically 1

%I #4 Jan 13 2015 21:24:30

%S 66144,1143216,19600428,300044272,4147335800,55154148308,715315448772,

%T 9131342831212,115857078625612,1466202791980592,18529834096701744,

%U 234042607294561560,2955370997638617112,37314547733012673212

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically

%C Column 4 of A253801

%H R. H. Hardin, <a href="/A253797/b253797.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 13 2015

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Last modified April 23 14:15 EDT 2024. Contains 371914 sequences. (Running on oeis4.)