id:A087025 - OEIS Search Results

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Sum of divisors of n-th cyclic number.

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255360, 17205180696931968, 1951532915603927040, 12430490030984319840000, 9956179688423375044684800000, 6080633705911286890368486450696472902951229440 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Calculated with Dario Alpern's ECM;` `a(n) = A000203(A004042(n)).`
	LINKS	`Dario A. Alpern, Factorization using the Elliptic Curve Method.` `Eric Weisstein's World of Mathematics, Cyclic Number` `Eric Weisstein's World of Mathematics, Divisor Function`
	CROSSREFS	`Cf. A001913, A087024, A087026.` `Sequence in context: A140079 A034631 A147579 this_sequence A161534 A052197 A053076` `Adjacent sequences: A087022 A087023 A087024 this_sequence A087026 A087027 A087028`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 30 2003`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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