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A281987
Number of nX7 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
1
0, 2008, 226025, 4668914, 77613062, 1170765416, 16521306352, 225583845888, 3008079936046, 39403294497598, 509651810402523, 6522893815553876, 82799912439842465, 1043840089707547028, 13083226632116042091
OFFSET
1,2
COMMENTS
Column 7 of A281988.
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..1..1..0..0. .0..1..0..1..0..1..0. .0..0..1..1..1..1..1
..0..0..1..0..1..0..0. .0..0..0..0..1..1..0. .0..1..1..0..1..0..0
CROSSREFS
Cf. A281988.
Sequence in context: A219083 A258553 A258560 * A172735 A172780 A172807
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2017
STATUS
approved