Partial sums of A224613.

Terms

a(0) =12a(1) =40a(2) =79a(3) =139a(4) =211a(5) =302a(6) =398a(7) =522a(8) =642a(9) =810a(10) =954a(11) =1149a(12) =1317a(13) =1541a(14) =1775a(15) =2027a(16) =2243a(17) =2523a(18) =2763a(19) =3123a(20) =3435a(21) =3771a(22) =4059a(23) =4462a(24) =4834a(25) =5226a(26) =5589a(27) =6069a(28) =6429a(29) =6975