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A014361 Aliquot sequence starting at 564. 3
564, 780, 1572, 2124, 3336, 5064, 7656, 13944, 26376, 49464, 88536, 187944, 295896, 443904, 812340, 1652304, 2767056, 4803888, 7914048, 13495104, 30725280, 79741440, 196505388, 300216656, 285162916, 237325596, 325831908, 434442572, 325831936, 347001764, 260735800, 434766560 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, B6.

LINKS

T. D. Noe, Table of n, a(n) for n = 0..600

Christophe CLAVIER, Aliquot Sequences

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

PROG

(PARI) a(n, a=564)={for(i=1, n, a=sigma(a)-a); a} \\ M. F. Hasler, Feb 24 2018

CROSSREFS

Cf. A098007 (length of aliquot sequences); some other examples: A008885 (starting at 30) .. A008892 (starting at 276), A014360 (starting at 552) .. A014365 (starting at 1134), ..., A171103 (starting at 46758). See link to index for a more complete list.

Sequence in context: A187849 A237029 A183732 * A274471 A252293 A252286

Adjacent sequences:  A014358 A014359 A014360 * A014362 A014363 A014364

KEYWORD

nonn

AUTHOR

Paul Zimmermann

STATUS

approved

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Last modified November 18 12:35 EST 2019. Contains 329261 sequences. (Running on oeis4.)