a(n) is the largest integer that can be written with n digits in base 3/2.

Terms

a(0) =2a(1) =5a(2) =8a(3) =14a(4) =23a(5) =35a(6) =53a(7) =80a(8) =122a(9) =185a(10) =278a(11) =419a(12) =629a(13) =944a(14) =1418a(15) =2129a(16) =3194a(17) =4793a(18) =7190a(19) =10787a(20) =16181a(21) =24272a(22) =36410a(23) =54617a(24) =81926a(25) =122891a(26) =184337a(27) =276506a(28) =414761a(29) =622142