id:A089328 - OEIS Search Results

Search: id:A089328

Displaying 1-1 of 1 results found.

page 1

Smallest prime of the form the concatenation r*k for r = 1 to n followed by a 1.

+0
2

11, 241, 1231, 71421281, 2468101, 246810121, 244872961201441681, 8162432404856641, 1234567891, 10320630941251561872182492710301, 12345678910111, 12243648607284961081201321441, 43861291722152583013443874304735165591, 9418828237647056465875284694010341128122213161, 214263841051261471681892102312522732943151 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(3) = 1231 and k = 1.`
	CROSSREFS	`Cf. A089329.` `Sequence in context: A142672 A158297 A090921 this_sequence A077422 A121826 A041223` `Adjacent sequences: A089325 A089326 A089327 this_sequence A089329 A089330 A089331`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Sep 13 2005`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research