A263126 Number of (2+3)X(n+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.

29, 148, 1664, 28048, 887805, 21881010, 583371100, 16245282600, 474350516221, 13614396562020, 392816467987240, 11368863651747952, 329881756982246141, 9560756720430691666

Offset

1,1

Comments

Row 2 of A263124.

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Cf. A263124.

Sequence in context: A042642 A172075 A042644 * A221981 A139997 A103565

Adjacent sequences: A263123 A263124 A263125 * A263127 A263128 A263129

Keyword

nonn

Author

R. H. Hardin, Oct 10 2015

Status

approved