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A284164
Number of n X 7 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
1
33, 1689, 154108, 16699997, 1852406216, 213897742464, 25064817057781, 2981736353245523, 357844048109256955, 43278292532056389680, 5263990195553603263431, 643350359729498071977340
OFFSET
1,1
COMMENTS
Column 7 of A284165.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..1..1..0..1..0. .0..1..0..0..1..1..1. .0..0..0..0..0..1..1
..0..1..1..0..0..1..1. .1..1..1..0..1..1..0. .0..0..0..1..1..0..0
..0..1..0..1..0..0..1. .0..0..1..0..0..1..0. .1..1..1..0..1..1..0
CROSSREFS
Cf. A284165.
Sequence in context: A093756 A284333 A284198 * A330478 A284221 A264170
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 21 2017
STATUS
approved