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A201987
Number of nX5 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing.
0
32, 139471, 803133854, 3674187761233, 13189629907532856, 38785259210265819578
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OFFSET
1,1
COMMENTS
Column 5 of
A201989
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=2
.-3.-1..0..2..3...-3.-3..2..2..3...-3.-1..0..2..3...-3.-1..2..2..3
..2..2..0.-2.-3....2..3.-2.-2.-2....3..2.-3.-1.-2...-3..2..0..0.-2
CROSSREFS
Sequence in context:
A230566
A017093
A159412
*
A217272
A017189
A159414
Adjacent sequences:
A201984
A201985
A201986
*
A201988
A201989
A201990
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 07 2011
STATUS
approved
