A071993 - OEIS

A071993

a(n) = 3*n - 2* A003159(n).

1, 0, 1, 2, 1, 0, -1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 0, 1, 2, 1, 0, -1, 0, 1, 0, -1, -2, -1, 0, -1, 0, 1, 0, 1, 2, 1, 0, -1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 2, 1, 2, 3, 2, 1, 0, 1, 2, 1, 0, -1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 0, 1, 2, 1, 0, -1, 0, 1, 0, -1, -2, -1, 0, -1, 0, 1, 0, 1, 2, 1, 0, -1, 0, 1, 0, -1, -2, -1, 0, -1, -2, -3, -2, -1, -2

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OFFSET

1,4

COMMENTS

a(n) = 0 for n = 2,6,8,10,18,22,24,26,30,32, ....It seems that a(n)/log(n) is bounded. What are the values of lim (-) n ->infinity a(n)/log(n) and lim(+) n ->infinity a(n)/log(n) ?

LINKS

Table of n, a(n) for n=1..116.

CROSSREFS

Sequence in context: A266874 A308343 A331216 * A317754 A317854 A317742

Adjacent sequences: A071990 A071991 A071992 * A071994 A071995 A071996

KEYWORD

easy,sign

AUTHOR

Benoit Cloitre, Jun 17 2002

STATUS

approved