Overpseudoprimes to bases 2 and 3.

Terms

a(0) =5173601a(1) =13694761a(2) =16070429a(3) =27509653a(4) =54029741a(5) =66096253a(6) =102690677a(7) =117987841a(8) =193949641a(9) =206304961a(10) =314184487a(11) =390612221a(12) =393611653a(13) =717653129a(14) =960946321a(15) =1157839381a(16) =1236313501a(17) =1481626513a(18) =1860373241a(19) =1921309633a(20) =2217879901a(21) =2412172153a(22) =2626783921