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 A126166 Larger member of each exponential amicable pair. 12
 100548, 502740, 968436, 1106028, 1307124, 1709316, 2312604, 2915892, 3116988, 3720276, 4122468, 4323564, 4725756, 5027400, 4842180, 5329044, 5530140, 5932332, 6133428, 6535620, 6736716, 7138908, 7340004, 7943292, 8345484, 8546580, 8948772, 9753156, 10155348 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This sequence includes the largest member of all exponential amicable pairs and does not discriminate between primitive and nonprimitive pairs. REFERENCES Hagis, Peter Jr.; Some Results Concerning Exponential Divisors, Internat. J. Math. & Math. Sci., Vol. 11, No. 2, (1988), pp. 343-350. LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 Peter Hagis, Jr., Some results concerning exponential divisors, International Journal of Mathematics and Mathematical Sciences, Vol. 11, No. 2, (1988), pp. 343-349. Ant King, Mathematica programs for A126164 - A126166 David Moews, Perfect, amicable and sociable numbers. J. M. Pedersen, Known exponential amicable pairs. FORMULA The values of n for which esigma(m)=esigma(n)=m+n and m n && esigma[m] - m == n, AppendTo[s, m]], {n, 1, 10^7}]; s (* Amiram Eldar, May 09 2019 *) CROSSREFS Cf. A126165, A051377, A054979, A049419, A054980, A126164. Sequence in context: A365375 A235901 A251171 * A323754 A251042 A117091 Adjacent sequences: A126163 A126164 A126165 * A126167 A126168 A126169 KEYWORD nonn AUTHOR Ant King, Dec 21 2006 EXTENSIONS Link corrected and reference added by Andrew Lelechenko, Dec 04 2011 More terms from Amiram Eldar, May 09 2019 STATUS approved

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Last modified March 3 07:26 EST 2024. Contains 370499 sequences. (Running on oeis4.)