Powers of 2 written in base 6.

Terms

a(0) =1a(1) =2a(2) =4a(3) =12a(4) =24a(5) =52a(6) =144a(7) =332a(8) =1104a(9) =2212a(10) =4424a(11) =13252a(12) =30544a(13) =101532a(14) =203504a(15) =411412a(16) =1223224a(17) =2450452a(18) =5341344a(19) =15123132a(20) =34250304a(21) =112541012a(22) =225522024a(23) =455444052a(24) =1355332144a(25) =3155104332a(26) =10354213104