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A254185 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 26 2015 17:45:06

%S 66144,968448,14601048,199474076,2521994340,32048165156,406615285408,

%T 5135656451504,64842235013056,818830301031628,10338326747398444,

%U 130521979882879548,1647853280433925072,20804146620439048752

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

%C Column 4 of A254189

%H R. H. Hardin, <a href="/A254185/b254185.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2015

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)