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A293099
Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
1
3, 2220, 205195, 24773296, 2728695681, 328979478088, 38469698642410, 4665971856266714, 560706154294046909, 68470475134869958112, 8347937003432022928553, 1025774531240519319091628
OFFSET
1,1
COMMENTS
Column 7 of A293100.
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..0..0..0..0. .0..0..0..1..0..0..0. .0..1..0..0..0..0..1
..0..0..1..0..1..1..1. .1..1..0..0..1..1..1. .0..1..0..0..1..1..1
CROSSREFS
Cf. A293100.
Sequence in context: A145700 A286978 A293086 * A336910 A286715 A365706
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 30 2017
STATUS
approved