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A215778 Natural growth of an aliquot sequence driven by a perfect number 2^(p-1)*((2^p)-1), but starting at 11. 2
11, 13, 15, 33, 63, 145, 215, 313, 315, 933, 1563, 2613, 5003, 5005, 11123, 14869, 14871, 24793, 24795, 68805, 193275, 499885, 770627, 1152637, 1152639, 2216961, 4187619, 9032861, 9092323, 9272573, 9414403, 9414405, 37061115, 116692485, 351858171, 741077157, 1253259803 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

FactorDB, 369053696

CROSSREFS

Cf. A146556, A216224.

Sequence in context: A049722 A099481 A254412 * A211021 A214746 A205693

Adjacent sequences:  A215775 A215776 A215777 * A215779 A215780 A215781

KEYWORD

nonn

AUTHOR

V. Raman, Aug 23 2012

STATUS

approved

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Last modified November 15 14:23 EST 2018. Contains 317239 sequences. (Running on oeis4.)