A143756 Aliquot sequence starting at 81.

81, 40, 50, 43, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

0,1

Links

Table of n, a(n) for n=0..102.

Formula

a(n+1) = A001065(a(n)). - R. J. Mathar, Oct 11 2017

Crossrefs

Sequence in context: A178373 A147674 A033401 * A206150 A206143 A087410

Adjacent sequences: A143753 A143754 A143755 * A143757 A143758 A143759

Keyword

nonn,easy

Author

N. J. A. Sloane, Nov 30 2008

Status

approved