A112081 - OEIS

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A112081

A112080(n)/2.

1

0, 1, -1, 0, 2, 0, 4, -1, 0, 0, 0, 6, -3, 0, 6, 0, 1, -1, 0, -3, 0, 9, -3, 0, 0, 0, 1, -3, 0, -2, 0, 1, -1, 0, 9, 0, 1, -1, 0, 12, 0, 3, -1, 0, 0, 0, 3, -4, 0, 2, 0, 1, -1, 0, -3, 0, 16, -3, 0, 0, 0, 1, -3, 0, -5, 0, 1, -1, 0, 14, 0, 1, -1, 0, 2, 0, 19, -1, 0, 0, 0, 3, -3, 0, 2, 0, 1, -1, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,5

LINKS

Table of n, a(n) for n=1..89.

CROSSREFS

Sequence in context: A262589 A019215 A326799 * A265158 A366907 A210444

Adjacent sequences: A112078 A112079 A112080 * A112082 A112083 A112084

KEYWORD

sign

AUTHOR

Antti Karttunen, Aug 27 2005

STATUS

approved