A137231 - OEIS

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A137231

Amicable triples. Sequence gives sigma values: A125490(n) + A125491(n) + A125492(n).

17

6552, 30240, 70680, 87360, 120960, 120960, 120960, 138240, 157248, 157248, 161280, 196560, 211680, 229320, 241920, 241920, 241920, 241920, 262080, 280800, 290160, 302400, 338688, 362880, 362880, 393120, 393120, 446400, 446400, 483840

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Or, apply n -> sigma(n) to any of A125490-A125492.

LINKS

John Cerkan, Table of n, a(n) for n = 1..10000 [Terms 1 through 1000 were computed by Donovan Johnson]

CROSSREFS

Cf. A125490-A125492.

Sequence in context: A248064 A236898 A252100 * A321824 A043488 A046321

Adjacent sequences: A137228 A137229 A137230 * A137232 A137233 A137234

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 27 2008, at the suggestion of R. K. Guy.

EXTENSIONS

a(13)-a(30) from Donovan Johnson, Apr 14 2010

Name edited by John Cerkan, Jun 18 2016

STATUS

approved