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A300887
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
21, 11, 148, 1822, 31867, 437276, 6236246, 88486037, 1253495751, 17820280071, 252432128095, 3581335862055, 50810347370710, 720844568426583, 10226876364949089, 145096143960674291, 2058575118040453456
OFFSET
1,1
COMMENTS
Column 7 of A300888.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..0..0. .0..0..0..0..0..0..1. .0..1..0..0..1..0..0
..0..0..1..0..0..0..0. .1..0..0..1..0..0..1. .0..0..0..0..0..0..0
..0..0..0..1..1..1..0. .0..1..1..0..0..0..0. .0..0..1..0..1..0..1
..1..0..1..1..0..0..0. .1..1..0..1..1..1..1. .0..0..0..0..0..0..0
..0..1..0..0..0..1..0. .1..1..1..1..1..0..0. .0..0..0..0..0..1..1
CROSSREFS
Cf. A300888.
Sequence in context: A114011 A300943 A270790 * A301497 A258083 A260527
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2018
STATUS
approved