Least pseudoprime to base 2 through base prime(n).

Terms

a(0) =341a(1) =1105a(2) =1729a(3) =29341a(4) =29341a(5) =162401a(6) =252601a(7) =252601a(8) =252601a(9) =252601a(10) =252601a(11) =252601a(12) =1152271a(13) =2508013a(14) =2508013a(15) =3828001a(16) =3828001a(17) =3828001a(18) =3828001a(19) =3828001a(20) =3828001a(21) =3828001a(22) =3828001a(23) =3828001a(24) =3828001a(25) =6733693a(26) =6733693a(27) =6733693