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A297801
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.
1
1, 381, 6215, 115773, 4340367, 123361724, 3420197908, 102189481612, 2993486726263, 87036084096735, 2550795725760992, 74669036575156557, 2183108544954393549, 63879977618932856370, 1869145222162376267997
OFFSET
1,2
COMMENTS
Column 7 of A297802.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..1..1. .0..0..0..0..0..0..0. .0..0..1..1..0..1..0
..0..1..0..1..0..1..1. .0..0..1..1..1..0..0. .1..1..0..0..1..0..1
..1..1..1..1..0..0..0. .1..1..0..0..0..1..0. .0..1..1..0..1..1..1
..0..1..1..0..0..0..0. .1..1..0..0..1..1..1. .0..1..1..0..1..1..0
CROSSREFS
Cf. A297802.
Sequence in context: A028682 A222163 A297543 * A201800 A172848 A214896
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 06 2018
STATUS
approved