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A260098
Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101
0
48, 201, 1136, 7119, 47576, 355098, 2703084, 23254546, 207675396, 2011569856, 20907484556, 232901842600, 2783676334932, 35816209079553
OFFSET
1,1
COMMENTS
Diagonal of A260106
EXAMPLE
Some solutions for n=4
..0..1..0..1..0..0....0..0..0..0..1..0....0..0..0..0..0..0....0..0..0..0..0..0
..1..0..0..0..0..0....1..0..0..1..0..1....1..0..1..0..0..1....1..0..1..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..0....0..1..0..1..0..0
..1..0..0..1..0..1....0..0..0..0..0..1....0..0..1..0..0..0....1..0..0..0..0..0
..0..0..0..0..1..0....0..0..1..0..0..0....0..1..0..0..0..1....0..1..0..0..0..0
..1..0..0..0..0..1....0..1..0..0..0..1....0..0..0..0..0..0....1..0..0..0..1..0
CROSSREFS
Sequence in context: A275507 A072254 A290350 * A260286 A183683 A260240
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 16 2015
STATUS
approved