Lesser of emirps (pairs) with a prime number of only prime digits.

Terms

a(0) =37a(1) =337a(2) =32233a(3) =32257a(4) =32353a(5) =32377a(6) =32537a(7) =35227a(8) =35257a(9) =35327a(10) =35537a(11) =72337a(12) =72577a(13) =73277a(14) =75577a(15) =3223357a(16) =3223537a(17) =3225323a(18) =3225737a(19) =3233227a(20) =3233533a(21) =3235577a(22) =3235777a(23) =3237527a(24) =3252377a(25) =3253753a(26) =3253777a(27) =3257257a(28) =3273527