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A260130 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 01010101 or 01010111 1
36, 128, 1162, 8292, 89000, 1799114, 39696994, 1187010782, 57609323976, 3606588061702, 300430871364792, 37162234733862940, 6322213755325674874, 1451277611337930065374, 473372879349872175254782 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A260138
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..0..0..0....1..0..1..0..1..0....1..1..0..1..0..1....1..1..0..1..0..1
..0..1..0..1..0..1....0..1..1..1..0..0....1..1..1..0..1..0....1..0..1..0..1..0
..1..0..1..0..1..0....1..0..1..0..1..0....0..1..0..1..0..1....0..1..0..1..0..1
..0..1..0..1..0..1....0..1..0..1..0..1....1..0..1..0..1..1....1..0..1..0..1..1
..1..0..1..1..1..0....1..0..1..0..1..0....0..1..0..1..0..1....0..0..0..1..0..1
..1..1..0..1..0..1....1..1..0..1..1..1....1..0..0..0..1..0....1..0..1..0..1..0
CROSSREFS
Sequence in context: A057837 A352316 A007265 * A155708 A196891 A105090
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 17 2015
STATUS
approved

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Last modified June 15 22:50 EDT 2024. Contains 373412 sequences. (Running on oeis4.)