Exponential transform of odd primes.

Terms

a(0) =1a(1) =3a(2) =14a(3) =79a(4) =521a(5) =3876a(6) =31935a(7) =287225a(8) =2791122a(9) =29066589a(10) =322292257a(11) =3784650052a(12) =46857941291a(13) =609360372095