Strong pseudoprimes to base 72.

Terms

a(0) =85a(1) =305a(2) =451a(3) =793a(4) =1037a(5) =1105a(6) =1387a(7) =2465a(8) =4381a(9) =5185a(10) =5257a(11) =6697a(12) =14111a(13) =19669a(14) =20557a(15) =22177a(16) =23281a(17) =28471a(18) =28645a(19) =29341a(20) =30073a(21) =45449a(22) =46313a(23) =49141a(24) =55969a(25) =60551a(26) =61249a(27) =64345a(28) =67405a(29) =68251