Euler pseudoprimes to base 3: composite integers such that abs(3^((n - 1)/2)) == 1 mod n.

Terms

a(0) =121a(1) =703a(2) =1541a(3) =1729a(4) =1891a(5) =2465a(6) =2821a(7) =3281a(8) =4961a(9) =7381a(10) =8401a(11) =8911a(12) =10585a(13) =12403a(14) =15457a(15) =15841a(16) =16531a(17) =18721a(18) =19345a(19) =23521a(20) =24661a(21) =28009a(22) =29341a(23) =30857a(24) =31621a(25) =31697a(26) =41041a(27) =44287a(28) =46657a(29) =47197