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A260840 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101 1
2584, 2976, 6908, 13170, 16000, 37882, 80516, 119194, 231008, 526102, 890868, 1551098, 3444912, 6540148, 11105704, 22909488, 46468620, 81665548, 156797736, 323324270, 597713676, 1104974160, 2236199980, 4307963032, 7924411232 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260841

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A260841

Sequence in context: A235840 A200711 A235950 * A252310 A236351 A250241

Adjacent sequences:  A260837 A260838 A260839 * A260841 A260842 A260843

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 01 2015

STATUS

approved

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Last modified January 19 22:12 EST 2022. Contains 350466 sequences. (Running on oeis4.)