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A232120
Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.
1
3635, 411015, 44229031, 4894583715, 539351064745, 59455853081501, 6554255427911017, 722517279545733561, 79647935033498582775, 8780120930843264963437, 967891111255430483106883
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OFFSET
1,1
COMMENTS
Column 4 of
A232124
.
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..2..2..2..2..2....2..1..2..2..2....1..0..0..2..2....2..2..1..1..1
..2..2..1..1..1....2..0..0..1..1....1..1..1..0..0....1..1..0..0..1
CROSSREFS
Cf.
A232124
.
Sequence in context:
A143930
A341264
A287219
*
A232418
A206844
A206836
Adjacent sequences:
A232117
A232118
A232119
*
A232121
A232122
A232123
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Nov 19 2013
STATUS
approved
