A068955 - OEIS

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A068955

Greatest prime factor of n^n-(n-1)^(n-1).

3, 23, 229, 151, 431, 776887, 14731, 109, 80317, 275311670611, 19395030961, 10423708597, 968299894201, 19428121, 165218809021364149, 808793517812627212561 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	FORMULA	`a(n)=A006530(A007781(n)).`
	EXAMPLE	`A007781(14) = 10809131718965763 = 3 * 61^2 * 968299894201, therefore a(14) = 968299894201.`
	CROSSREFS	`Cf. A068954, A068956.` `Sequence in context: A206763 A201205 A068954 * A151393 A007781 A068146` `Adjacent sequences: A068952 A068953 A068954 * A068956 A068957 A068958`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 11 2002`

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Last modified February 15 05:43 EST 2012. Contains 205694 sequences.