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A152904 Triangle read by rows: T(n,k) = A008683(n-k+1); 1<=k<=n; mu(n) "decrescendo". 1
1, -1, 1, -1, -1, 1, 0, -1, -1, 1, -1, 0, -1, -1, 1, 1, -1, 0, -1, -1, 1, -1, 1, -1, 0, -1, -1, 1, 0, -1, 1, -1, 0, -1, -1, 1, 0, 0, -1, 1, -1, 0, -1, -1, 1, 1, 0, 0, -1, 1, -1, 0, -1, -1, 1, -1, 1, 0, 0, -1, 1, -1, 0, -1, -1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row sums = A002321, the Mertens function. A185694 is an eigensequence.

REFERENCES

E. Deutsch, L. Ferrari, and S. Rinaldi, Production Matrices, Advances in Applied Mathematics, 34 (2005), 101-122.

LINKS

Table of n, a(n) for n=1..66.

FORMULA

Triangle read by rows, T(n,k) = A008683(n-k+1) = A008683 in every column = A008683 "decrescendo"d by rows.

EXAMPLE

1;

-1, 1;

-1, -1, 1;

0, -1, -1, 1;

-1, 0, -1, -1, 1;

1, -1, 0, -1, -1, 1;

-1, 1, -1, 0, -1, -1, 1;

0, -1, 1, -1, 0, -1, -1, 1;

0, 0, -1, 1, -1, 0, -1, -1, 1;

...

Production matrix begins

-1, 1,

-2, 0, 1,

-3, 0, 0, 1,

-6, 0, 0, 0, 1,

-9, 0, 0, 0, 0, 1,

-17, 0, 0, 0, 0, 0, 1,

-28, 0, 0, 0, 0, 0, 0, 1,

-50, 0, 0, 0, 0, 0, 0, 0, 1,

-83, 0, 0, 0, 0, 0, 0, 0, 0, 1,

-147, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ...

where first column is -A073776(n+1). [Paul Barry, 10 Feb 2011]

CROSSREFS

Cf. A008683, A002321, A152901, A152902

Sequence in context: A070950 A071031 A141679 * A071033 A118102 A089509

Adjacent sequences:  A152901 A152902 A152903 * A152905 A152906 A152907

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Dec 14 2008

STATUS

approved

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Last modified May 18 01:52 EDT 2013. Contains 225419 sequences.