id:A067289 - OEIS Search Results

Search: id:A067289

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Numbers n such that the number of divisors of n is floor(prime(n)/n).

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5, 7, 11, 25, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 81, 207, 212, 236, 242, 243, 244, 245, 261, 268, 275, 279, 284, 292, 316, 325, 332, 333, 338, 356, 363, 369, 387, 388, 404, 412, 423, 425, 428, 436, 729, 1065, 1066, 1070, 1074, 1085, 1086, 1090 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`n such that A000005(n)=floor(prime(n)/n)`
	CROSSREFS	`Cf. A000005.` `Sequence in context: A005385 A075705 A141305 this_sequence A036491 A036490 A106330` `Adjacent sequences: A067286 A067287 A067288 this_sequence A067290 A067291 A067292`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 24 2002`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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