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A256901 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically 1

%I #4 Apr 12 2015 08:53:14

%S 113474,396712,1948416,4687873,7212370,12286621,12230530,19377777,

%T 24869452,35469812,54180018,82633412,128108016,197244059,304897422,

%U 470254289,720831904,1099014235,1665081428,2507744625,3746976448

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

%C Column 5 of A256904

%H R. H. Hardin, <a href="/A256901/b256901.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A256904

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 12 2015

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Last modified June 17 09:14 EDT 2024. Contains 373444 sequences. (Running on oeis4.)