OFFSET

1,1

COMMENTS

The lower twin primes generated by this kind of multiplication of k and primorials are in A088328.

EXAMPLE

The first 4 rows are:

2,3,6,9 ;

1,2,3,5,7,10,12,17,18,23,25,30,32,33;

1,2,5,6,8,9,14,19,20,22,27,34,35,41,43,44,54,65,71 ;

2,5,11,13,16,28,29,30,35,36,42,44,50,51,55,57,69,73,86,95,104,121,125,128,135,140;

CROSSREFS

KEYWORD

nonn,tabf

AUTHOR

Pierre CAMI, Nov 06 2003

EXTENSIONS

Edited by R. J. Mathar, Oct 30 2009

STATUS

approved