Cubic star numbers: a(n) = n^3 + 4*Sum_{i=0..n-1} i^2.

Terms

a(0) =0a(1) =1a(2) =12a(3) =47a(4) =120a(5) =245a(6) =436a(7) =707a(8) =1072a(9) =1545a(10) =2140a(11) =2871a(12) =3752a(13) =4797a(14) =6020a(15) =7435a(16) =9056a(17) =10897a(18) =12972a(19) =15295a(20) =17880a(21) =20741a(22) =23892a(23) =27347a(24) =31120a(25) =35225a(26) =39676a(27) =44487a(28) =49672a(29) =55245