A258510 - OEIS

A258510

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally

3456356, 46808032, 1035738226, 18083959576, 291747299054, 5214669067797, 94282780215006, 1662033597780835, 29352153931907914, 521951097519998876, 9272036626115873546, 164476417603760877730, 2919288888643300508618

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A258511

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..26

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..0..1..1

..0..0..0..0..0..1..1..1..0....1..1..0..0..0..0..0..1..0

..1..1..0..1..0..0..0..1..0....0..0..1..0..0..0..0..1..0