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A217272
Number of nX7 arrays of occupancy after each element moves to some horizontal or vertical neighbor
0
32, 142129, 402494400, 1117092569476, 3080781263731464, 8491624540729737796, 23397344246732649325860
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OFFSET
1,1
COMMENTS
Column 7 of
A217273
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..1..1..0..0..2..2..1....1..1..0..0..2..1..0....1..1..0..0..1..2..0
..0..0..1..1..1..0..0....0..0..1..1..0..0..3....0..0..1..1..0..0..1
..2..2..1..2..1..2..1....2..2..2..2..1..1..1....1..2..3..3..2..1..1
CROSSREFS
Sequence in context:
A017093
A159412
A201987
*
A017189
A159414
A094814
Adjacent sequences:
A217269
A217270
A217271
*
A217273
A217274
A217275
KEYWORD
nonn
AUTHOR
R. H. Hardin
Sep 29 2012
STATUS
approved
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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)