Primes p such that p+1 is the concatenation of a power of 3 and a power of 2.

Terms

a(0) =11a(1) =13a(2) =17a(3) =31a(4) =37a(5) =97a(6) =131a(7) =163a(8) =271a(9) =277a(10) =331a(11) =811a(12) =1511a(13) =2437a(14) =2731a(15) =3511a(16) =7297a(17) =9127a(18) =9511a(19) =18191a(20) =21871a(21) =27127a(22) =65617a(23) =72931a(24) =196831a(25) =196837a(26) =278191a(27) =332767a(28) =729511a(29) =812047