id:A121858 - OEIS Search Results

Search: id:A121858

Displaying 1-1 of 1 results found.

page 1

Smallest odd number having p(n) divisors, where p(n) is the n-th prime=A000040(n).

+0
2

3, 9, 81, 729, 59049, 531441, 43046721, 387420489, 31381059609, 22876792454961, 205891132094649, 150094635296999121, 12157665459056928801, 109418989131512359209, 8862938119652501095929, 6461081889226673298932241 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=3^(p(n)-1)=3^A006093(n).`
	CROSSREFS	`Cf. A061286.` `Sequence in context: A055156 A047912 A078684 this_sequence A032108 A038062 A011764` `Adjacent sequences: A121855 A121856 A121857 this_sequence A121859 A121860 A121861`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Aug 30 2006`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research