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A260087 Larger of amicable pair (x, y) as they are listed in A259933. 7
284, 1210, 2924, 5564, 6368, 10856, 14595, 18416, 66992, 71145, 76084, 87633, 88730, 124155, 123152, 139815, 153176, 168730, 176336, 180848, 203432, 202444, 365084, 389924, 430402, 399592, 455344, 486178, 514736, 525915, 669688, 686072, 652664, 691256, 712216, 783556, 796696, 863835, 901424, 980984, 1043096, 1125765 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Another version of A002046.

First differs from A002046 at a(9).

LINKS

Table of n, a(n) for n=1..42.

Laszlo Hars, Performance compared to mathematica Julia-users (2014)

Khelleos, Amicable numbers, CyberForum.ru (2011)

OEIS Wiki, Amicable numbers (This page needs work)

Wikipédia, Barátságos számok (contains a mistake: A063990 should be replaced with A259933)

FORMULA

a(n) = A259933(2n) = A259953(n) - A259933(2n-1) = A259953(n) - A260086(n).

CROSSREFS

Cf. A002046, A063990, A259180, A259933, A259953, A260086.

Sequence in context: A092681 A090789 A234970 * A002046 A339679 A339683

Adjacent sequences:  A260084 A260085 A260086 * A260088 A260089 A260090

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jul 15 2015

STATUS

approved

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Last modified September 27 19:34 EDT 2021. Contains 347694 sequences. (Running on oeis4.)