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A112532 First differences of [0, A047970]. 4
1, 1, 3, 9, 29, 101, 379, 1525, 6549, 29889, 144419, 736241, 3947725, 22201549, 130624587, 802180701, 5131183301, 34121977865, 235486915507, 1683925343929, 12458499203901, 95237603403381, 751291094637083, 6108883628141189 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..23.

EXAMPLE

Formal o.g.f.: (1 - x)^2*( sum {n >= 0} x^n/(1 - (n + 2)*x) ). - Peter Bala, Jul 09 2014

CROSSREFS

Cf. A047970, A112531. A229046.

Sequence in context: A278404 A148941 A079319 * A148942 A109432 A148943

Adjacent sequences:  A112529 A112530 A112531 * A112533 A112534 A112535

KEYWORD

nonn

AUTHOR

Alford Arnold, Sep 10 2005

EXTENSIONS

Corrected by D. S. McNeil, Aug 20 2010

STATUS

approved

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Last modified May 28 07:57 EDT 2017. Contains 287212 sequences.