Primes in A153257.

Terms

a(0) =11a(1) =89a(2) =167a(3) =431a(4) =1187a(5) =1559a(6) =3119a(7) =5471a(8) =7559a(9) =18899a(10) =34781a(11) =41579a(12) =57719a(13) =67157a(14) =89009a(15) =108191a(16) =122399a(17) =154439a(18) =270269a(19) =283007a(20) =309671a(21) =628487a(22) =650759a(23) =770039a(24) =875327a(25) =960299a(26) =1213379a(27) =1547207a(28) =1800719a(29) =1845491