A262468 Number of (n+1)X(4+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.

1, 11, 121, 457, 2413, 22907, 239281, 2028469, 19072681, 195594107, 2033050681, 20694058921, 213513561709, 2238052993835, 23529091943281, 247329143808181, 2608684587258313, 27709182321786251, 294872156127246841

Offset: 1

Author

R. H. Hardin, Sep 23 2015

Keywords

• nonn

Comments

Column 4 of A262472.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 73

Crossrefs

Cf. A262472.

Formula

Empirical recurrence of order 73 (see link above)