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A260839 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101 1
1320, 1645, 3470, 6232, 8646, 19718, 37882, 58489, 116930, 248515, 412314, 751247, 1604892, 2935059, 5115588, 10451412, 20331520, 35935935, 69439734, 138338285, 252687084, 471920997, 934503484, 1761244126, 3253322750, 6325629935 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A260841

LINKS

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

R. H. Hardin, Empirical recurrence of order 92

FORMULA

Empirical recurrence of order 92 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A260841

Sequence in context: A066663 A067206 A248857 * A157266 A069737 A185464

Adjacent sequences:  A260836 A260837 A260838 * A260840 A260841 A260842

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 01 2015

STATUS

approved

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Last modified November 29 18:41 EST 2021. Contains 349416 sequences. (Running on oeis4.)