id:A018005 - OEIS Search Results

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Smallest number whose cube has n digits.

+0
7

1, 3, 5, 10, 22, 47, 100, 216, 465, 1000, 2155, 4642, 10000, 21545, 46416, 100000, 215444, 464159, 1000000, 2154435, 4641589, 10000000, 21544347, 46415889, 100000000, 215443470, 464158884, 1000000000, 2154434691, 4641588834 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Powers of cube root of 10 rounded up.`
	EXAMPLE	`a(5) = 22, 22^3 = 10648 has 5 digits, while 21^3 = 9261 has 4 digits.`
	CROSSREFS	`Cf. A061434, A061439.` `Sequence in context: A018107 A053709 A102772 this_sequence A080522 A132332 A002039` `Adjacent sequences: A018002 A018003 A018004 this_sequence A018006 A018007 A018008`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), May 16 2001`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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