0,2

a(n)=(n-1)*(smallest prime>(n-1)). [From Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Dec 05 2009]

[ seq(nextprime(i)*i, i=0..100) ];

Sequence in context: A011777 A129631 A014847 this_sequence A144653 A090979 A050508

Adjacent sequences: A013633 A013634 A013635 this_sequence A013637 A013638 A013639

nonn,new

N. J. A. Sloane (njas(AT)research.att.com).