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a(n) = (prime(n)+1)*n.
2

%I #7 Nov 12 2012 18:23:05

%S 0,3,8,18,32,60,84,126,160,216,300,352,456,546,616,720,864,1020,1116,

%T 1292,1440,1554,1760,1932,2160,2450,2652,2808,3024,3190,3420,3968,

%U 4224,4554,4760,5250,5472,5846,6232,6552,6960,7380,7644,8256,8536,8910,9200,9964

%N a(n) = (prime(n)+1)*n.

%H Harvey P. Dale, <a href="/A083726/b083726.txt">Table of n, a(n) for n = 0..1000</a>

%t Join[{0},Table[n*(Prime[n]+1),{n,50}]] (* _Harvey P. Dale_, Nov 12 2012 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jun 16 2003