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Search: id:A099925
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A099925 Lucas(n) + (-1)^n. +0
2
3, 0, 4, 3, 8, 10, 19, 28, 48, 75, 124, 198, 323, 520, 844, 1363, 2208, 3570, 5779, 9348, 15128, 24475, 39604, 64078, 103683, 167760, 271444, 439203, 710648, 1149850, 1860499, 3010348, 4870848, 7881195, 12752044, 20633238, 33385283 (list; graph; listen)
OFFSET

0,1

FORMULA

G.f.: (3-2x^2)/[(1+x)(1-x-x^2)].

CROSSREFS

Equals A068397(n) - 1, n>2. Cf. A000032, A098600.

Sequence in context: A104514 A072480 A100939 this_sequence A016644 A019789 A137335

Adjacent sequences: A099922 A099923 A099924 this_sequence A099926 A099927 A099928

KEYWORD

nonn

AUTHOR

Ralf Stephan, Nov 02 2004

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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