Semiprimes of the form C(n) + T(n) where C(n) and T(n) are the n-th cube and triangular numbers.

Terms

a(0) =33a(1) =74a(2) =237a(3) =371a(4) =1055a(5) =1397a(6) =10901a(7) =12443a(8) =30287a(9) =39899a(10) =55613a(11) =80453a(12) =207149a(13) =303041a(14) =360467a(15) =407999a(16) =639797a(17) =1230821a(18) =1650053a(19) =2056511a(20) =2695349a(21) =2873441a(22) =3454427a(23) =3956873a(24) =9823349a(25) =10384103a(26) =13680599a(27) =15844877a(28) =16419449a(29) =20608499