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A301329
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
1, 74, 233, 1481, 12342, 116017, 1127238, 10358770, 99285038, 951443834, 9118398723, 87376167697, 838801678021, 8052272674884, 77282827536984, 741896624666655, 7121971581778832, 68368161278124079, 656316743273906918
OFFSET
1,2
COMMENTS
Column 7 of A301330.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1..1..1. .0..0..0..1..1..0..1. .0..0..1..0..0..0..1
..0..1..1..1..0..0..1. .0..1..0..1..0..0..0. .0..0..0..1..1..0..0
..0..0..0..0..0..0..1. .0..0..1..0..1..1..0. .1..1..0..1..0..1..0
..1..1..1..1..0..1..0. .0..1..0..0..1..1..0. .1..0..0..1..0..0..0
..1..0..1..1..1..0..0. .1..1..1..1..1..0..0. .1..1..1..1..0..0..1
CROSSREFS
Cf. A301330.
Sequence in context: A204363 A051970 A300604 * A121809 A204361 A204354
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2018
STATUS
approved