Strong pseudoprimes to base 67.

Terms

a(0) =33a(1) =49a(2) =217a(3) =703a(4) =1519a(5) =2209a(6) =2245a(7) =6119a(8) =8371a(9) =11521a(10) =12403a(11) =14981a(12) =18721a(13) =29185a(14) =29891a(15) =31651a(16) =34241a(17) =36301a(18) =38503a(19) =41441a(20) =63139a(21) =64681a(22) =68129a(23) =76201a(24) =81499a(25) =82513a(26) =88831a(27) =93521a(28) =104653a(29) =105877