Three-fold exponential convolution of primes with themselves (divided by 2).

A014348

Three-fold exponential convolution of primes with themselves (divided by 2).

Terms

    a(0) =4a(1) =18a(2) =84a(3) =393a(4) =1830a(5) =8433a(6) =38376a(7) =171957a(8) =757362a(9) =3271533a(10) =13849980a(11) =57396693a(12) =233039058a(13) =927277245a(14) =3624209748a(15) =13934877933a(16) =52843565490a(17) =197989340133a(18) =734212702164

External references