Primes arising in A144724.

Terms

a(0) =5a(1) =13a(2) =61a(3) =421a(4) =3361a(5) =30241a(6) =332641a(7) =3991681a(8) =55883521a(9) =950019841a(10) =19000396801a(11) =456009523201