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A201493 Number of nX5 zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing 0
12, 7815, 7798656, 6697376240, 4585552158911, 2571822263246639, 1219998885223727883, 501770963443215883902, 182271590618268117246577, 59312881704712898493358018, 17484065266324835514539288191 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A201496
LINKS
EXAMPLE
Some solutions for n=2
.-1..0..0..1..1...-1.-1.-1..0..2...-2.-1..1..1..1...-2.-1..0..0..1
..0..0..2.-2.-1...-1..0..0..0..2...-1.-1.-2..2..2....2.-1.-1..0..2
CROSSREFS
Sequence in context: A333674 A308130 A107251 * A009173 A012531 A013481
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 02 2011
STATUS
approved

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Last modified July 20 09:34 EDT 2024. Contains 374445 sequences. (Running on oeis4.)