A262821 Number of (2+3)X(n+3) 0..1 arrays with each row divisible by 9 and column not divisible by 9, read as a binary number with top and left being the most significant bits.

0, 0, 21952, 323944, 6854952, 178305048, 4999029536, 141146699520, 3989674803520, 110739317322272, 3087271127827656, 86319234833420472, 2417043704537112896, 67688853144047810688, 1895586025861761402304

Offset

1,3

Comments

Row 2 of A262819.

Links

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

Example

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

Crossrefs

Cf. A262819.

Sequence in context: A206126 A077751 A066693 * A250569 A109689 A209733

Adjacent sequences: A262818 A262819 A262820 * A262822 A262823 A262824

Keyword

nonn

Author

R. H. Hardin, Oct 03 2015

Status

approved