Smallest positive integer solution x of (3^3)*x - 2^n*y = 1 for n >= 0.

Terms

a(0) =1a(1) =1a(2) =3a(3) =3a(4) =3a(5) =19a(6) =19a(7) =19a(8) =19a(9) =19a(10) =531a(11) =531a(12) =2579a(13) =6675a(14) =6675a(15) =23059a(16) =55827a(17) =121363a(18) =252435a(19) =252435a(20) =776723a(21) =776723a(22) =776723a(23) =4971027a(24) =4971027a(25) =4971027a(26) =4971027a(27) =4971027a(28) =139188755a(29) =139188755