login
A300929
Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
8, 1568, 158855, 15238332, 1477281166, 143498589629, 13930396115571, 1352339873296663, 131283287305824217, 12744800913507712660, 1237247492566859902978, 120110262681126727669259
OFFSET
1,1
COMMENTS
Column 7 of A300930.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..1. .0..0..0..0..1..0..0. .0..0..0..0..0..0..0
..0..0..1..1..1..0..1. .0..0..1..1..0..1..1. .0..0..1..1..1..1..1
..0..0..0..0..0..0..0. .0..0..0..1..0..0..0. .0..0..0..0..0..1..1
..0..0..1..1..0..0..1. .0..0..1..0..0..1..1. .0..0..1..1..0..0..0
..0..0..0..0..0..0..1. .0..0..0..1..1..0..0. .0..0..0..1..1..1..0
CROSSREFS
Cf. A300930.
Sequence in context: A162014 A300545 A300972 * A229150 A160231 A213961
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 15 2018
STATUS
approved