A253737 Number of (n+2) X (5+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically.

22236, 25012, 44332, 143080, 400068, 1059528, 3230352, 10458356, 31345596, 90751832, 283521828, 902287168, 2744697232, 8179125776, 25412894924, 79521551136, 243350008716, 735182296720, 2274754523660, 7051147684380

Offset

1,1

Comments

Column 5 of A253740.

Links

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

Example

Some solutions for n=4
..1..1..0..1..0..1..0....0..1..0..1..0..0..0....0..1..0..1..0..0..1
..0..0..1..0..1..0..1....1..0..0..0..1..0..0....1..1..1..0..1..0..1
..0..1..0..0..0..1..0....0..0..0..1..0..1..0....0..1..1..1..0..0..0
..0..0..0..0..1..0..0....0..0..1..0..0..0..1....1..0..1..1..1..0..1
..0..1..0..1..0..0..0....0..1..0..0..0..1..0....0..1..0..1..0..0..1
..0..1..1..0..0..0..1....0..0..0..0..1..0..1....1..1..1..1..1..1..0

Crossrefs

Cf. A253740.

Sequence in context: A210295 A060109 A217875 * A185608 A204148 A251825

Adjacent sequences: A253734 A253735 A253736 * A253738 A253739 A253740

Keyword

nonn

Author

R. H. Hardin, Jan 11 2015

Status

approved