Strong pseudoprimes to base 19.

Terms

a(0) =9a(1) =49a(2) =169a(3) =343a(4) =1849a(5) =2353a(6) =2701a(7) =4033a(8) =4681a(9) =6541a(10) =6697a(11) =7957a(12) =9997a(13) =12403a(14) =13213a(15) =13747a(16) =15251a(17) =16531a(18) =18769a(19) =19729a(20) =24761a(21) =30589a(22) =31621a(23) =31861a(24) =32477a(25) =41003a(26) =49771a(27) =63139a(28) =64681a(29) =65161