Partial sums of A026905; the convolution of the natural numbers with the partition function.

Terms

a(0) =1a(1) =4a(2) =10a(3) =21a(4) =39a(5) =68a(6) =112a(7) =178a(8) =274a(9) =412a(10) =606a(11) =877a(12) =1249a(13) =1756a(14) =2439a(15) =3353a(16) =4564a(17) =6160a(18) =8246a(19) =10959a(20) =14464a(21) =18971a(22) =24733a(23) =32070a(24) =41365a(25) =53096a(26) =67837a(27) =86296a(28) =109320a(29) =137948