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A221119 Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops 0
0, 0, 10200, 27551817, 42873095694, 61164981824003, 82293038769560932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 7 of A221114

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

..0..2..0....0..2..1....0..2..0....0..1..0....0..1..0....0..2..1....0..2..1

..1..2..1....0..2..0....1..2..1....1..3..0....1..3..1....1..3..0....1..2..0

..0..1..1....1..2..0....1..3..1....1..2..1....1..3..0....0..0..0....0..2..0

..0..3..1....1..2..1....0..1..1....1..3..0....1..1..1....1..2..1....1..2..1

..0..2..1....1..2..1....0..2..0....1..2..0....0..1..0....0..3..0....0..2..1

..0..2..1....0..3..1....0..2..1....0..1..1....0..3..1....1..2..1....1..3..1

..1..2..0....0..1..0....1..2..0....1..2..0....1..2..0....1..2..0....0..1..0

CROSSREFS

Sequence in context: A102326 A216262 A243410 * A105582 A243819 A258890

Adjacent sequences:  A221116 A221117 A221118 * A221120 A221121 A221122

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 02 2013

STATUS

approved

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Last modified July 24 03:01 EDT 2019. Contains 325290 sequences. (Running on oeis4.)