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A202747 Number of 6Xn 0..1 arrays with row sums equal and column sums unequal to adjacent columns 0
2, 44, 1074, 29680, 827502, 27842760, 967878370, 35772388788, 1349807335782, 52493731492612 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A202742

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A203606 A009620 A001627 * A094397 A213067 A140795

Adjacent sequences:  A202744 A202745 A202746 * A202748 A202749 A202750

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 23 2011

STATUS

approved

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Last modified July 3 11:18 EDT 2022. Contains 355050 sequences. (Running on oeis4.)