Smallest prime p such that 2n+1 = 2p - q^3 for some odd prime q, or 0 if no such prime exists.

Terms

a(0) =173a(1) =2459a(2) =17a(3) =67a(4) =19a(5) =113497a(6) =179a(7) =71a(8) =23a(9) =73a(10) =677a(11) =25339a(12) =0a(13) =74453a(14) =29a(15) =79a(16) =31a(17) =1117a(18) =191a(19) =83a(20) =193a(21) =25349a(22) =37a(23) =1123a(24) =197a(25) =89a(26) =41a(27) =3594557a(28) =43a(29) =1129