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A161338 a(n) = (A161330(n+1)-2)/2. 2
0, 3, 6, 9, 18, 21, 30, 39 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

CROSSREFS

Cf. A161330, A161331, A161336, A161337.

Sequence in context: A070120 A070126 A127644 * A047847 A007783 A050625

Adjacent sequences:  A161335 A161336 A161337 * A161339 A161340 A161341

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 09 2009

STATUS

approved

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Last modified October 15 21:06 EDT 2018. Contains 316237 sequences. (Running on oeis4.)