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A221093
Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor
0
0, 4096, 4244238, 18736955689, 47632473997312, 137999718103495689, 376959882525471479946, 1047276497234600613324304, 2882029793367070337506842240
OFFSET
1,2
COMMENTS
Row 7 of A221087
EXAMPLE
Some solutions for n=3
..0..2..0....0..2..0....0..2..0....0..2..0....0..2..0....0..2..0....0..2..0
..1..1..0....1..1..0....1..1..0....1..1..1....1..1..1....1..1..0....1..1..1
..2..2..0....2..3..0....1..2..1....0..4..1....0..4..0....1..2..2....0..3..0
..1..4..0....1..1..0....1..2..1....1..0..1....1..0..0....0..2..1....1..3..1
..0..1..1....0..4..0....0..3..0....0..3..0....1..3..1....0..3..0....0..1..0
..0..3..1....1..2..0....1..3..1....1..3..0....1..1..0....0..2..0....2..2..1
..0..1..1....1..1..1....0..1..0....0..1..1....1..3..0....1..2..1....0..2..0
CROSSREFS
Sequence in context: A017034 A017118 A269294 * A017214 A017322 A223268
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 01 2013
STATUS
approved