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Search: id:A126166
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| A126166 |
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Larger member of each exponential amicable pair. |
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+0
6
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| 100548, 502740, 968436, 1106028, 1307124, 1709316, 2312604, 2915892, 3116988, 3720276, 4122468, 4323564, 4725756, 5027400, 4842180, 5329044
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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This sequence includes the largest member of all exponential amicable pairs, and does not discriminate between primitive and nonprimitive pairs.
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LINKS
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Ant King, Mathematica programs for A126164 - A126166
Moews, David, Perfect, amicable and sociable numbers.
J. O. M. Pedersen, Known amicable pairs.
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FORMULA
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The values of n for which esigma(m)=esigma(n)=m+n and m<n, where esigma is defined in A051377
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EXAMPLE
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a(3)= 968436 because (937692,968436) is the third exponential amicable pair
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CROSSREFS
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Cf. A126165, A051377, A054979, A049419, A054980, A126164.
Sequence in context: A119902 A120217 A120218 this_sequence A117091 A043642 A122233
Adjacent sequences: A126163 A126164 A126165 this_sequence A126167 A126168 A126169
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KEYWORD
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hard,nonn
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AUTHOR
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Ant King (mathstutoring(AT)ntlworld.com), Dec 21 2006
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