id:A156099 - OEIS Search Results

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Smallest number m such that prime(n) is a factor of both m and sigma(m).

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6, 6, 40, 28, 473, 117, 1139, 703, 3151, 5017, 496, 2701, 6683, 11051, 13207, 11183, 20827, 10309, 26867, 20093, 18688, 12403, 27473, 91136, 18721, 101909, 63551, 68587, 71177, 76501, 8128, 68513, 74939, 38503, 221861, 273461, 49141, 159251 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Donovan Johnson, Table of n, a(n) for n=1..5000`
	EXAMPLE	`a(20) = 20093. prime(20) = 71. 20093/71 = 283. sigma(20093)/71 = 288.`
	CROSSREFS	`Cf. A000040, A000203.` `Sequence in context: A056452 A038260 A165424 this_sequence A125510 A117859 A102901` `Adjacent sequences: A156096 A156097 A156098 this_sequence A156100 A156101 A156102`
	KEYWORD	`nonn`
	AUTHOR	`Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 04 2009`

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

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