A257160 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

5203324, 106805258, 2183417807, 48470017991, 1174259463543, 28823946919854, 695152560346535, 16726973938599393, 401676352270542846, 9621272846082303604, 230118043327974181813, 5499355230460178033140

Offset

1,1

Comments

Row 7 of A257154

Links

R. H. Hardin, Table of n, a(n) for n = 1..133

Example

Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....1..0..1....1..1..0....1..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..1..1....0..0..0....1..0..0....0..0..1....1..0..0....0..0..0
..1..1..1....0..1..1....1..1..0....1..1..0....1..0..0....1..0..0....0..0..0
..1..0..1....1..0..1....0..0..0....0..0..1....0..0..0....1..0..0....1..1..1
..1..0..1....1..0..1....1..1..1....0..0..0....0..1..1....0..0..0....1..1..1
..1..1..1....1..1..1....0..0..0....1..0..0....0..0..1....1..1..0....0..0..0

Crossrefs

Cf. A257154

Sequence in context: A140658 A172715 A257153 * A254742 A333587 A125780

Adjacent sequences: A257157 A257158 A257159 * A257161 A257162 A257163

Keyword

nonn

Author

R. H. Hardin, Apr 16 2015

Status

approved