id:A067245 - OEIS Search Results

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Numbers n such that phi(n) divides (sigma(n+2)+sigma(n-2)).

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5, 6, 13, 15, 33, 68, 117, 156, 168, 222, 259, 265, 313, 522, 644, 665, 750, 986, 1065, 1153, 1178, 1328, 1351, 1377, 1447, 1750, 1812, 1824, 1976, 2392, 2482, 3672, 3885, 4185, 4460, 4528, 5450, 5812, 5824, 6610, 6804, 7256, 7306, 8496, 8930, 9310 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A051572 A047436 A061437 this_sequence A059176 A030356 A138937` `Adjacent sequences: A067242 A067243 A067244 this_sequence A067246 A067247 A067248`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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