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A263056 Number of (n+1)X(4+1) 0..1 arrays with each row and column not divisible by 3, read as a binary number with top and left being the most significant bits. 1
10, 895, 18390, 498597, 10416690, 232738767, 4880746710, 104100946101, 2185333961490, 46071984907935, 967423105276470, 20335923462641157, 427044510774483570, 8970161111918918127, 188372284635598141590 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A263060.

LINKS

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

FORMULA

Empirical: a(n) = 21*a(n-1) +189*a(n-2) -3969*a(n-3) -10719*a(n-4) +225099*a(n-5) +250803*a(n-6) -5266863*a(n-7) -2527200*a(n-8) +53071200*a(n-9) +9062928*a(n-10) -190321488*a(n-11)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Cf. A263060.

Sequence in context: A126677 A054328 A203590 * A233125 A297471 A024137

Adjacent sequences:  A263053 A263054 A263055 * A263057 A263058 A263059

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 08 2015

STATUS

approved

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)