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A260293 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001 1
4762, 8550, 21028, 45596, 62980, 168582, 385280, 635774, 1454932, 3865506, 7077140, 13911248, 37767640, 80433874, 146256972, 363211496, 873338176, 1637204674, 3569621244, 9024085554, 18468136328, 36852868032, 90530978268 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260294

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A260294

Sequence in context: A183267 A258231 A257763 * A031567 A031747 A125949

Adjacent sequences:  A260290 A260291 A260292 * A260294 A260295 A260296

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 22 2015

STATUS

approved

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Last modified May 9 00:03 EDT 2021. Contains 343685 sequences. (Running on oeis4.)