A260839 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101

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

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