id:A067233 - OEIS Search Results

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Numbers n such that phi(3n+1)=sigma(n).

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3, 21, 23, 27, 30, 65, 69, 95, 133, 143, 203, 253, 264, 413, 447, 537, 618, 667, 672, 715, 863, 897, 1092, 1122, 1221, 1265, 1343, 1824, 2367, 2757, 2765, 3009, 3231, 3471, 3605, 3683, 3741, 4088, 4195, 4578, 5838, 6295, 6533, 6747, 7689, 7701, 9548 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A124397 A043081 A091675 this_sequence A007648 A050586 A074217` `Adjacent sequences: A067230 A067231 A067232 this_sequence A067234 A067235 A067236`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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