A169758 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A169758

Second differences of A170907.

1, 1, 2, 1, 1, 1, 2, 2, 0, 0, 3, 2, 0, 1, 2, 3, 0, -2, 5, 1, 0, 0, 3, 4, -1, -2, 3, 4, 0, 0, 2, 4, 0, 0, 3, 0, -1, -4, 12, 1, -1, -5, 6, 4, -1, -1, 3, 6, 0, -6, 5, 4, -1, -2, 3, 7, 0, -5, 1, 6, 2, -1, 1, 5, 0, 6, -9, 12, -9, 1, 8, 4, -6, -8, 14, -11, 23, -41, 58, -19, 0, -7, 6, 3, -3, -7, 13, 6, -1, -10, 4, 8, 1, -3, 2, 8, 1, -2, 3, 0

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

OFFSET

0,3

COMMENTS

I wish I had a recurrence for this sequence!

LINKS

Table of n, a(n) for n=0..99.

CROSSREFS

Cf. A170907, A169757.

Sequence in context: A122377 A293900 A284463 * A175933 A175940 A299236

Adjacent sequences: A169755 A169756 A169757 * A169759 A169760 A169761

KEYWORD

sign

AUTHOR

N. J. A. Sloane, May 06 2010

STATUS

approved