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Search: id:A062727
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| 1, 1, 7, 40, 511, 3906, 138811, 960800, 33554431, 581130733, 24987792457, 313842837672, 26748283770391, 328114698808274, 25927224666044919, 821051025385244160, 36893488147419103231, 878942778254232811938
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,100
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MATHEMATICA
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Table[DivisorSigma[1, n^n], {n, 1, 5!}] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Feb 26 2009]
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PROGRAM
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(PARI) for(n=0, 22, print(sigma(n^n)))
(PARI) { for (n=0, 100, write("b062727.txt", n, " ", sigma(n^n)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 09 2009]
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CROSSREFS
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Cf. A000312.
Sequence in context: A051814 A154968 A121582 this_sequence A165397 A123747 A144421
Adjacent sequences: A062724 A062725 A062726 this_sequence A062728 A062729 A062730
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jul 11 2001
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