Search: id:A132336
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%I A132336
%S A132336 0,2,5,9,14,20,27,35,44,54,65,77,90,104,119,135,152,170,189,209,230,252,
%T A132336 275,299,324,350,377,405,434,464,495,495,528,562,597,633,670,708,747,
%U A132336 787,828,870,913,957,1002,1048,1095,1143,1192,1242,1293,1345,1398,1452
%N A132336 Sum of the non-fifth powers less than or equal to n.
%F A132336 Let r = floor(n^(1/5)). Then a(n) = n(n+1)/2 - (2r^6+6r^5+5r^4-r^2)/12.
%o A132336 (PARI) g5(n)=for(x=1,n,r=floor(x^(1/5));sum5=(2*r^6+6*r^5+5*r^4-r^2)/
               12;sn=x* (x+1)/2;print1(sn-sum5","))
%Y A132336 Different from A000096.
%Y A132336 Sequence in context: A112265 A075543 A132315 this_sequence A000096 A080956 
               A132337
%Y A132336 Adjacent sequences: A132333 A132334 A132335 this_sequence A132337 A132338 
               A132339
%K A132336 nonn
%O A132336 1,2
%A A132336 Cino Hilliard (hillcino368(AT)hotmail.com), Nov 07 2007

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