A069877 - OEIS

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A069877

Smallest number with a prime signature whose indices are the decimal digits of n.

2, 4, 8, 16, 32, 64, 128, 256, 512, 2, 6, 12, 24, 48, 96, 192, 384, 768, 1536, 4, 12, 36, 72, 144, 288, 576, 1152, 2304, 4608, 8, 24, 72, 216, 432, 864, 1728, 3456, 6912, 13824, 16, 48, 144, 432, 1296, 2592, 5184, 10368, 20736, 41472, 32, 96, 288, 864 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`a(12) = 2^23^1 = 12. a(231) = 2^33^2*5^1 = 360.`
	CROSSREFS	`Cf. A061509.` `Sequence in context: A194632 A123464 A113019 * A085940 A061509 A189398` `Adjacent sequences: A069874 A069875 A069876 * A069878 A069879 A069880`
	KEYWORD	`nonn,base`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 25 2002`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Jul 05 2002`

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Last modified February 17 05:54 EST 2012. Contains 205985 sequences.