Strong pseudoprimes to base 91.

Terms

a(0) =9a(1) =15a(2) =45a(3) =1065a(4) =1387a(5) =2651a(6) =3015a(7) =4005a(8) =4141a(9) =4187a(10) =5963a(11) =13747a(12) =35681a(13) =37901a(14) =38503a(15) =42813a(16) =52417a(17) =57541a(18) =58931a(19) =68773a(20) =85849a(21) =96709a(22) =106159a(23) =116003a(24) =118693a(25) =125563a(26) =131401a(27) =142717a(28) =153217a(29) =155629