Strong pseudoprimes to base 57.

Terms

a(0) =25a(1) =65a(2) =125a(3) =325a(4) =1625a(5) =2047a(6) =2911a(7) =3193a(8) =4187a(9) =7501a(10) =7613a(11) =12025a(12) =12403a(13) =13073a(14) =14425a(15) =16531a(16) =21349a(17) =22177a(18) =23149a(19) =24727a(20) =29459a(21) =31621a(22) =34669a(23) =35425a(24) =38503a(25) =40501a(26) =45193a(27) =48133a(28) =49141a(29) =57137