Nonnegative numbers of the form n^3 (+/-) 3, n >= 0.

Terms

a(0) =3a(1) =4a(2) =5a(3) =11a(4) =24a(5) =30a(6) =61a(7) =67a(8) =122a(9) =128a(10) =213a(11) =219a(12) =340a(13) =346a(14) =509a(15) =515a(16) =726a(17) =732a(18) =997a(19) =1003a(20) =1328a(21) =1334a(22) =1725a(23) =1731a(24) =2194a(25) =2200a(26) =2741a(27) =2747a(28) =3372a(29) =3378