Smallest number greater than 1 which ends in an odd digit in bases 2 through n.

Terms

a(0) =3a(1) =7a(2) =7a(3) =13a(4) =13a(5) =31a(6) =31a(7) =43a(8) =43a(9) =73a(10) =73a(11) =271a(12) =271a(13) =271a(14) =271a(15) =313a(16) =313a(17) =313a(18) =313a(19) =313a(20) =313a(21) =421a(22) =421a(23) =421a(24) =421a(25) =1303a(26) =1303a(27) =1303a(28) =1303a(29) =1303