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A254816 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically 1

%I #4 Feb 08 2015 09:55:43

%S 221858,2691838,37573674,463784139,5252066348,59733054453,

%T 617600165386,6259013485112,60421295621544,566006242948991,

%U 5135305476976656,45460650492242015,393319965785264860,3339873754002581210

%N Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically

%C Column 5 of A254819

%H R. H. Hardin, <a href="/A254816/b254816.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015

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Last modified September 17 12:38 EDT 2024. Contains 375987 sequences. (Running on oeis4.)