id:A080182 - OEIS Search Results

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a(1)=1, a(n+1)=a(n)+gpf(Sum(a(i): 1<=i<=n)), where gpf=A006530 (greatest prime factor).

+0
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1, 2, 5, 7, 12, 15, 22, 24, 35, 76, 275, 354, 377, 618, 2441, 2482, 5855, 18456, 20845, 46796, 47605, 53966, 54705, 182192, 182355, 211856, 213153, 214712, 216985 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n+1)=a(n)+gpf(A080183(n)) for n>0.`
	CROSSREFS	`Cf. A080180.` `Sequence in context: A022758 A129232 A088822 this_sequence A001318 A024702 A161664` `Adjacent sequences: A080179 A080180 A080181 this_sequence A080183 A080184 A080185`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 05 2003`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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