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A219427 Unchanging value maps: number of 7Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 7Xn array 0
1, 1897, 44857, 1842766, 65352789, 2284814260, 80311501599, 2846763071615, 101180231915225, 3593093772421047, 127477235143792772, 4521648074836617071, 160404051239506589127, 5690803494953995807634 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A219421

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A045198 A020417 A218848 * A297320 A220392 A219416

Adjacent sequences:  A219424 A219425 A219426 * A219428 A219429 A219430

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 19 2012

STATUS

approved

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Last modified May 27 05:48 EDT 2020. Contains 334649 sequences. (Running on oeis4.)