Pseudoprimes to base 3 that are not squarefree.

Terms

a(0) =121a(1) =3751a(2) =4961a(3) =7381a(4) =11011a(5) =29161a(6) =32791a(7) =142901a(8) =228811a(9) =239701a(10) =341341a(11) =551881a(12) =566401a(13) =595441a(14) =671671a(15) =784201a(16) =856801a(17) =1016521a(18) =1237951a(19) =1335961a(20) =1433971a(21) =1804231a(22) =1916761a(23) =2000251a(24) =2254351a(25) =2446741a(26) =2817001a(27) =2983981a(28) =3078361a(29) =3307051