A262476 Number of (6+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.

26, 107, 2622, 22907, 552430, 8080915, 194647694, 3858564731, 94346094606, 2163710210627, 53883371144782, 1317783399760987, 33307976756396270, 838678794069752435, 21419258810892736014, 547077243280259311931

Offset: 1

Author

R. H. Hardin, Sep 23 2015

Keywords

• nonn

Comments

Row 6 of A262472.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 67

Crossrefs

Cf. A262472.

Formula

Empirical recurrence of order 67 (see link above)