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A254774 Number of (n+2) X (7+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. 1

%I #6 Apr 17 2022 22:03:23

%S 2473062,17766805,399523689,8014352106,152665874129,3151627564633,

%T 66029963150922,1347645659065486,27693905833765209,571426630010331708,

%U 11760686264524554788,241923345626487645940,4982603226434478521757

%N Number of (n+2) X (7+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

%C Column 7 of A254775.

%H R. H. Hardin, <a href="/A254774/b254774.txt">Table of n, a(n) for n = 1..137</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A254775.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 07 2015

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Last modified June 17 21:09 EDT 2024. Contains 373464 sequences. (Running on oeis4.)