A262799 Number of (4+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, 2601, 38688, 1217748, 62476744, 3232334529, 154757112978, 7660488370524, 390767538739944, 19934753483341641, 1012857975955102488, 51559995857954682132, 2629592152989357781312, 134111010871052807482785

Offset

1,2

Comments

Row 4 of A262795.

Links

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

Example

Some solutions for n=3
..0..1..0..1..0....0..0..1..0..1....1..1..0..0..1....1..1..1..1..0
..1..1..0..0..1....1..1..1..1..0....0..0..0..0..0....0..0..1..0..1
..0..0..1..0..1....0..0..1..0..1....1..0..1..0..0....0..1..1..1..1
..0..1..1..1..1....0..0..1..0..1....0..1..0..1..0....0..0..0..0..0
..0..0..1..0..1....0..0..1..0..1....1..1..0..0..1....1..1..0..0..1
..1..1..0..0..1....1..0..1..0..0....0..0..0..0..0....0..1..0..1..0

Crossrefs

Cf. A262795.

Sequence in context: A237163 A203257 A326260 * A183965 A031549 A031729

Adjacent sequences: A262796 A262797 A262798 * A262800 A262801 A262802

Keyword

nonn

Author

R. H. Hardin, Oct 02 2015

Status

approved