A087309 Least number that ends an arithmetic progression of n numbers with the same prime signature.

1, 3, 7, 23, 29, 157, 505, 1139, 1211, 2089, 5161, 5293, 6347, 10717, 14233, 28213, 31451, 72965, 119029, 121603, 124177, 611261, 632171, 2003171, 2012771

Offset

1,2

Comments

Final terms of the arithmetic progressions described in A086786.

Main diagonal of A086786.

Links

Table of n, a(n) for n=1..25.

Index entries for sequences related to primes in arithmetic progressions

Formula

a(n)=A087308(n)+(n-1)*A087310(n). - R. J. Mathar, Oct 19 2007

Crossrefs

Cf. A086786, A087308, A087310, A114659, A114662, A114669.

Sequence in context: A144593 A057191 A090548 * A127781 A271918 A165580

Adjacent sequences: A087306 A087307 A087308 * A087310 A087311 A087312

Keyword

more,nonn

Author

Amarnath Murthy, Sep 02 2003

Extensions

Edited and extended by David Wasserman, Jan 08 2006

Further edited by N. J. A. Sloane, Jun 30 2008 at the suggestion of R. J. Mathar.

Status

approved