Search: id:A133252
Results 1-1 of 1 results found.

%I A133252
%S A133252 1,5,17,45,100,196,350,582,915,1375,1991,2795,3822,5110,6700,8636,10965,
%T A133252 13737,17005,20825,25256,30360,36202,42850,50375,58851,68355,78967,
%U A133252 90770,103850,118296,134200,151657,170765,191625,214341,239020,265772
%N A133252 Partial sums of A006000.
%C A133252 Prime for a(1) = 5, a(2) = 17, then never again?
%F A133252 a(n) = SUM[i=0..n] A006000(i) = SUM[i=0..n](i+1)*(i^2+i+2)/2. a(n) = 
               (1/2)*((1/4)*(n^4 + 2 n^3 + n^2) + (1/3)*(2n^3 + 3n^2 + n) + (1/2)*(3n^2 
               + 3n) + 2n)).
%Y A133252 Cf. A006000.
%Y A133252 Sequence in context: A146183 A163424 A099451 this_sequence A048612 A147050 
               A147397
%Y A133252 Adjacent sequences: A133249 A133250 A133251 this_sequence A133253 A133254 
               A133255
%K A133252 easy,nonn
%O A133252 0,2
%A A133252 Jonathan Vos Post (jvospost3(AT)gmail.com), Dec 19 2007

Search completed in 0.001 seconds