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A135483 a(n)=[sum(i=0,n, p(i)*2^i)]/2, where p(i) denotes i-th prime number. 0
1, 4, 14, 42, 130, 338, 882, 2098, 5042, 12466, 28338, 66226, 150194, 326322, 711346 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A000040, A000079.

Sequence in context: A189052 A189426 A007076 * A095377 A247470 A049539

Adjacent sequences:  A135480 A135481 A135482 * A135484 A135485 A135486

KEYWORD

nonn

AUTHOR

Ctibor O. Zizka, Feb 07 2008

STATUS

approved

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Last modified October 25 08:09 EDT 2014. Contains 248518 sequences.