Cumulative sums of A031443.

Terms

a(0) =11a(1) =21a(2) =33a(3) =68a(4) =105a(5) =143a(6) =184a(7) =226a(8) =270a(9) =319a(10) =369a(11) =421a(12) =477a(13) =612a(14) =751a(15) =892a(16) =1034a(17) =1181a(18) =1330a(19) =1480a(20) =1633a(21) =1787a(22) =1943a(23) =2106a(24) =2271a(25) =2437a(26) =2606a(27) =2776a(28) =2948a(29) =3125