A262798 Number of (3+2)X(n+2) 0..1 arrays with each row divisible by 5 and column not divisible by 5, read as a binary number with top and left being the most significant bits.

0, 625, 4898, 81954, 2070492, 53647609, 1257963666, 30643228956, 766336126200, 19178182400305, 477743441514410, 11924267842928490, 298111233560156100, 7453091005918000825, 186286937922323294250, 4656697984190140422900

Offset

1,2

Comments

Row 3 of A262795.

Links

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

Example

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

Crossrefs

Cf. A262795.

Sequence in context: A223183 A171995 A307481 * A250431 A046755 A016816

Adjacent sequences: A262795 A262796 A262797 * A262799 A262800 A262801

Keyword

nonn

Author

R. H. Hardin, Oct 02 2015

Status

approved