A256732 - OEIS

A256732

Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three

413440, 14137600, 388595712, 12465275904, 369798053888, 11265313555456, 337855448236032, 10232633445990400, 307652425443164160, 9286825801707749376, 279497997763831857152, 8426534426750002397184

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

OFFSET

1,1

COMMENTS

Column 5 of A256735

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A256735

Sequence in context: A237676 A307475 A251828 * A078519 A187171 A178203

Adjacent sequences: A256729 A256730 A256731 * A256733 A256734 A256735

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 09 2015

STATUS

approved