First row of array in A081998.

Terms

a(0) =1a(1) =2a(2) =7a(3) =9a(4) =29a(5) =31a(6) =71a(7) =73a(8) =143a(9) =149a(10) =229a(11) =233a(12) =359a(13) =361a(14) =485a(15) =487a(16) =629a(17) =631a(18) =821a(19) =823a(20) =1031a(21) =1033a(22) =1277a(23) =1279a(24) =1553a(25) =1559a(26) =1873a(27) =1877a(28) =2221a(29) =2237