Smallest positive integer solution x of 9*x - 2^n*y = 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =25a(6) =57a(7) =57a(8) =57a(9) =57a(10) =569a(11) =1593a(12) =3641a(13) =3641a(14) =3641a(15) =3641a(16) =36409a(17) =101945a(18) =233017a(19) =233017a(20) =233017a(21) =233017a(22) =2330169a(23) =6524473a(24) =14913081a(25) =14913081a(26) =14913081a(27) =14913081a(28) =149130809a(29) =417566265