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A260362
Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111
0
48, 127, 912, 4633, 6144, 38370, 265120, 551542, 2092680, 17786146, 60491904, 183202732, 1313066840, 6986822950, 25056637336, 145821754612
OFFSET
1,1
COMMENTS
Diagonal of A260370
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1....0..1..0..0..0..1....0..1..1..1..1..0....1..0..0..0..0..0
..1..1..0..0..1..0....0..1..0..0..1..1....0..1..0..0..1..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..0..0..0..0..0
..0..0..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..1....0..1..0..0..1..0....0..1..0..0..1..1....1..1..0..0..1..1
..1..0..0..0..0..1....1..1..0..0..1..1....1..1..0..0..0..0....1..1..1..1..1..1
CROSSREFS
Sequence in context: A232938 A362045 A194952 * A114444 A044299 A044680
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 23 2015
STATUS
approved