A113872 - OEIS

A113872

Last term of n-term arithmetic progression of primes described in A033188 and A033189.

2, 3, 7, 23, 29, 157, 907, 1669, 1879, 2089, 60881279, 147692870693, 15293983, 834172688773, 894476586329191, 1275290173878841, 259268969935081, 1027994118842320951, 1424014323186726053, 1424014323196425743, 28112131522925191409

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OFFSET

1,1

COMMENTS

The entries shown have been proved to be correct.

See A033188 and A033189 for further information.

LINKS

Table of n, a(n) for n=1..21.

Jens Kruse Andersen, Status of minimal arithmetic progressions of primes

Index entries for sequences related to primes in arithmetic progressions

FORMULA

a(n) = A033189(n) + (n-1)*A033188(n). - Jens Kruse Andersen, Jun 14 2014

CROSSREFS

Sequence in context: A158054 A134412 A005115 * A120302 A093363 A291525

Adjacent sequences: A113869 A113870 A113871 * A113873 A113874 A113875

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 26 2006

EXTENSIONS

a(19)-a(21) found by Jaroslaw Wroblewski, added by Jens Kruse Andersen, Jun 14 2014

STATUS

approved