Even pseudoprimes to base 5.

Terms

a(0) =4a(1) =124a(2) =5662a(3) =11476a(4) =59356a(5) =80476a(6) =91636a(7) =250876a(8) =261964a(9) =482516a(10) =1385836a(11) =1892458a(12) =1926676a(13) =2428084a(14) =2589796a(15) =3743476a(16) =4101796a(17) =6797764a(18) =9155476a(19) =10701076a(20) =10743436a(21) =11263396a(22) =13799836a(23) =13859956a(24) =15570556a(25) =20396476