Pseudoprimes to base 5.

Terms

a(0) =4a(1) =124a(2) =217a(3) =561a(4) =781a(5) =1541a(6) =1729a(7) =1891a(8) =2821a(9) =4123a(10) =5461a(11) =5611a(12) =5662a(13) =5731a(14) =6601a(15) =7449a(16) =7813a(17) =8029a(18) =8911a(19) =9881a(20) =11041a(21) =11476a(22) =12801a(23) =13021a(24) =13333a(25) =13981a(26) =14981a(27) =15751a(28) =15841a(29) =16297