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A258906 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically 1

%I #4 Jun 14 2015 16:23:44

%S 51856,510095,5271330,58411404,575237942,5661517795,55658584373,

%T 532429444542,5037453136882,47329532772441,440718089753305,

%U 4071997680549943,37419648635807601,342088892989819481

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

%C Column 4 of A258910

%H R. H. Hardin, <a href="/A258906/b258906.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A258910

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 14 2015

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Last modified March 3 10:41 EST 2024. Contains 370511 sequences. (Running on oeis4.)