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A260169
Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001
0
40, 167, 1054, 6973, 61216, 651914, 7542684, 110062152, 2074273964, 43510471716, 1129587053318, 36200205626536, 1417187649633280
OFFSET
1,1
COMMENTS
Diagonal of A260177
EXAMPLE
Some solutions for n=4
..1..0..0..0..0..0....0..1..0..1..0..1....0..0..0..1..0..0....1..0..0..0..1..0
..0..0..0..1..0..0....0..0..0..0..0..0....1..0..0..0..1..0....0..1..0..0..0..0
..0..0..1..0..0..0....0..0..0..0..0..0....0..1..0..0..0..0....0..0..0..0..1..0
..0..1..0..0..0..1....0..1..0..1..0..0....0..0..0..0..1..0....0..0..0..1..0..0
..1..0..0..0..1..0....1..0..0..0..1..0....0..1..0..0..0..1....1..0..0..0..0..0
..0..0..0..1..0..0....0..0..0..0..0..0....1..0..1..0..0..0....0..1..0..0..0..0
CROSSREFS
Sequence in context: A190073 A250592 A250585 * A205249 A211155 A250994
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 17 2015
STATUS
approved