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A240635 Number of nX7 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order 1
64, 2785, 77269, 2319211, 69637692, 2097636322, 63213422873, 1904782876182, 57392644533582, 1729241310772922, 52101748475053643, 1569814590240364270, 47298161023632144868, 1425082784232120727380, 42937417098934211565980 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A240636

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A302825 A303518 A240483 * A297372 A283696 A283128

Adjacent sequences:  A240632 A240633 A240634 * A240636 A240637 A240638

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 09 2014

STATUS

approved

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Last modified December 8 02:32 EST 2021. Contains 349590 sequences. (Running on oeis4.)