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A030625 n(n+Z(n)), where Z( ) is the Narayana-Zidek-Capell sequence (A002083). 0
0, 2, 6, 12, 24, 40, 72, 126, 240, 459, 940, 1936, 4104, 8671, 18508, 39300, 83616, 177055, 374652, 789811, 1662400, 3488877, 7309588, 15279406, 31886928, 66422275, 138157708, 286924599, 595102144, 1232672869 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..29.

CROSSREFS

Cf. A002083.

Sequence in context: A187272 A001116 A002336 * A029929 A222785 A053635

Adjacent sequences:  A030622 A030623 A030624 * A030626 A030627 A030628

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 4 03:40 EDT 2020. Contains 334815 sequences. (Running on oeis4.)