Partial sums of A001158: Sum_{j=1..n} sigma_3(j).

Terms

a(0) =1a(1) =10a(2) =38a(3) =111a(4) =237a(5) =489a(6) =833a(7) =1418a(8) =2175a(9) =3309a(10) =4641a(11) =6685a(12) =8883a(13) =11979a(14) =15507a(15) =20188a(16) =25102a(17) =31915a(18) =38775a(19) =47973a(20) =57605a(21) =69593a(22) =81761a(23) =98141a(24) =113892a(25) =133674a(26) =154114a(27) =179226a(28) =203616a(29) =235368