Fermat pseudoprimes to base 2 (A001567) k such that A003961(k) is also a Fermat pseudoprime to base 2.

A346568

Fermat pseudoprimes to base 2 (A001567) k such that A003961(k) is also a Fermat pseudoprime to base 2.

Terms

    a(0) =710533a(1) =915981a(2) =1293337a(3) =2134277a(4) =3542533a(5) =13747361a(6) =161216021a(7) =206304961a(8) =284166877a(9) =748419127a(10) =968283247a(11) =1265740717a(12) =2582246701a(13) =4297753027a(14) =10891270501a(15) =11176136947a(16) =11273608417a(17) =11606768801a(18) =12169503061a(19) =13321141597a(20) =14241379237a(21) =17005529227a(22) =19600350001

External references