A215778 Natural growth of an aliquot sequence driven by a perfect number 2^(p-1)*((2^p)-1), but starting at 11.

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

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 A364003 A214746

Adjacent sequences: A215775 A215776 A215777 * A215779 A215780 A215781

Keyword

nonn

Author

V. Raman, Aug 23 2012

Status

approved