A262820 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A262820

Number of (1+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, 2744, 21610, 234096, 3103450, 43563108, 617554352, 8776056648, 121679222354, 1695215156348, 23701894089472, 331858416865360, 4647495627474864, 65083961876291512, 910998629244209610

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

COMMENTS

Row 1 of A262819.

LINKS

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

EXAMPLE

Some solutions for n=4

..0..1..0..0..1..0..0....0..0..0..0..0..0..0....1..1..0..0..0..1..1

..0..1..1..1..1..1..1....0..1..1..1..1..1..1....1..1..0..1..1..0..0

..1..0..0..1..0..0..0....0..0..1..1..0..1..1....0..0..1..1..0..1..1