Even pseudoprimes to base 43.

Terms

a(0) =6a(1) =14a(2) =42a(3) =526974a(4) =9157582a(5) =21001206a(6) =49419154a(7) =156418318a(8) =157058362a(9) =223741702a(10) =467016562a(11) =531330346a(12) =601692022a(13) =681377698a(14) =888739174a(15) =931053466a(16) =1037629198a(17) =1390950926a(18) =1392718618a(19) =2175608494a(20) =2377982166a(21) =3045063946a(22) =5136468646