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A260369 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111 1
2880, 4438, 13632, 32488, 37948, 98032, 265120, 390138, 774416, 2085610, 3676672, 6576428, 16343884, 32624460, 57557052, 130763122, 277382484, 506936080, 1070477816, 2319259576, 4413899664, 8938596854, 19280847812, 38024306356 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260370

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A260370

Sequence in context: A066174 A175750 A179703 * A134856 A066407 A184602

Adjacent sequences: A260366 A260367 A260368 * A260370 A260371 A260372

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 23 2015

STATUS

approved

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Last modified February 3 15:17 EST 2023. Contains 360035 sequences. (Running on oeis4.)