Strong pseudoprimes to base 40.

Terms

a(0) =39a(1) =121a(2) =289a(3) =451a(4) =703a(5) =1561a(6) =1921a(7) =4961a(8) =5729a(9) =6601a(10) =7111a(11) =7201a(12) =10897a(13) =11041a(14) =12403a(15) =13333a(16) =14023a(17) =14701a(18) =15211a(19) =15793a(20) =23521a(21) =26797a(22) =27133a(23) =32657a(24) =38081a(25) =38503a(26) =43213a(27) =43621a(28) =48133a(29) =67721