Fermat pseudoprimes n to base 3 for which sqrt(8*n + 1) is an integer.

Terms

a(0) =91a(1) =703a(2) =1891a(3) =2701a(4) =7381a(5) =8911a(6) =10585a(7) =12403a(8) =16471a(9) =18721a(10) =29161a(11) =38503a(12) =41041a(13) =49141a(14) =79003a(15) =88831a(16) =93961a(17) =104653a(18) =115921a(19) =146611a(20) =188191a(21) =218791a(22) =226801a(23) =269011a(24) =286903a(25) =314821a(26) =334153a(27) =364231a(28) =385003a(29) =497503