id:A166732 - OEIS Search Results

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The indices n such that the largest prime factor of nth composite is equal sum of all the other prime factors of nth composite.

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1, 4, 15, 19, 33, 50, 60, 90, 129, 227, 244 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`if composite(n=50)=70=257 and 2<5<7, then 2+5=7 and a(6)=50.`
	CROSSREFS	`Cf. A000027, A002808.` `Sequence in context: A065159 A051956 A032826 this_sequence A022133 A100783 A055465` `Adjacent sequences: A166729 A166730 A166731 this_sequence A166733 A166734 A166735`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 20 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.