A014365 Aliquot sequence starting at 1134.

1134, 1770, 2550, 4146, 4158, 7362, 8628, 11532, 16272, 29670, 46362, 46374, 48666, 48678, 70362, 86118, 92058, 95622, 95634, 180846, 246834, 381006, 460458, 562902, 612138, 612150, 1316298, 1350582, 1509690, 3086790

Offset

0,1

References

Richard K. Guy, Unsolved Problems in Number Theory, 3rd Edition, Springer, 2004, Section B6, pp. 92-95.

Links

Amiram Eldar, Table of n, a(n) for n = 0..3839 (terms 0..3568 from Robert G. Wilson v)

Christophe Clavier, Aliquot Sequences.

factordb.com, Aliquot sequence of 1134.

Robert G. Wilson v, terms n = 0..3568  with factorization.

Paul Zimmermann, Latest information.

Index entries for sequences related to aliquot parts.

Formula

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

Mathematica

f[n_] := DivisorSigma[1, n] - n; NestList[f, 1134, 100] (* Robert G. Wilson v, Dec 22 2012 *)

Prog

(PARI) a(n, a=1134)={for(i=1, n, a=sigma(a)-a); a} \\ M. F. Hasler, Feb 25 2018

Crossrefs

Cf. A098007 (length of aliquot sequences); some other examples: A008885 (starting at 30) .. A008892 (starting at 276), A014360 (starting at 552) .. A014364 (starting at 1074), see link to index for a more complete list.

Cf. A001065.

Sequence in context: A361346 A289253 A066365 * A362543 A027545 A357496

Adjacent sequences: A014362 A014363 A014364 * A014366 A014367 A014368

Keyword

nonn

Author

Paul Zimmermann

Status

approved