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A201988
Number of nX6 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing
0
58, 1177568, 46034224561, 1507315600099908, 38785259210265819578
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OFFSET
1,1
COMMENTS
Column 6 of
A201989
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for n=2
.-3.-3.-2.-1..1..3...-3.-3.-1.-1..2..3...-3.-3.-2..1..3..3...-3.-3.-2.-1..0..2
..0..2..3.-1..3.-2....0..2.-3.-1..3..2....0..1..1..0.-2..1....0..2..0..0..3..2
CROSSREFS
Sequence in context:
A128934
A173955
A243466
*
A116103
A116115
A230852
Adjacent sequences:
A201985
A201986
A201987
*
A201989
A201990
A201991
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 07 2011
STATUS
approved
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Last modified April 25 12:28 EDT 2024. Contains 371969 sequences. (Running on oeis4.)