A131733 Primes (A000040) - odds (A005408).

1, 0, 0, 0, 2, 2, 4, 4, 6, 10, 10, 14, 16, 16, 18, 22, 26, 26, 30, 32, 32, 36, 38, 42, 48, 50, 50, 52, 52, 54, 66, 68, 72, 72, 80, 80, 84, 88, 90, 94, 98, 98, 106, 106, 108, 108, 118, 128, 130, 130, 132, 136, 136, 144, 148, 152, 156, 156, 160, 162, 162, 170

Offset

1,5

Links

Table of n, a(n) for n=1..62.

Formula

a(n) = A000040(n)-2n+1.

Maple

A131733 := proc(n) ithprime(n)-2*n+1 ; end proc: # R. J. Mathar, Jul 10 2011

Mathematica

With[{nn=70}, Prime[Range[nn]]-Range[1, 2nn, 2]] (* Harvey P. Dale, Jun 12 2013 *)

Crossrefs

Sequence in context: A323093 A264788 A192326 * A128745 A332891 A188524

Adjacent sequences: A131730 A131731 A131732 * A131734 A131735 A131736

Keyword

nonn,easy

Author

Paul Curtz, Sep 17 2007

Status

approved