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A051950 Differences between values of tau(n) (A000005). 7
1, 1, 0, 1, -1, 2, -2, 2, -1, 1, -2, 4, -4, 2, 0, 1, -3, 4, -4, 4, -2, 0, -2, 6, -5, 1, 0, 2, -4, 6, -6, 4, -2, 0, 0, 5, -7, 2, 0, 4, -6, 6, -6, 4, 0, -2, -2, 8, -7, 3, -2, 2, -4, 6, -4, 4, -4, 0, -2, 10, -10, 2, 2, 1, -3, 4, -6, 4, -2, 4, -6, 10, -10, 2, 2, 0, -2, 4, -6, 8, -5, -1, -2, 10, -8, 0, 0, 4, -6, 10 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

LINKS

T. D. Noe, Table of n, a(n) for n=0..10000

FORMULA

G.f. (1-x)*sum(k>=1, x^k/(1-x^k)). - Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 24 2003

CROSSREFS

Sequence in context: A171412 A071338 A078826 * A172353 A104754 A098593

Adjacent sequences:  A051947 A051948 A051949 * A051951 A051952 A051953

KEYWORD

sign

AUTHOR

Asher Auel (asher.auel(AT)reed.edu) Dec 16 1999

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.