Expansion of 1/( 1 - Sum_{k>=0} x^(3^k) / (1 - x^(3^k)) ).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =21a(6) =46a(7) =97a(8) =206a(9) =442a(10) =940a(11) =2002a(12) =4272a(13) =9103a(14) =19400a(15) =41360a(16) =88156a(17) =187901a(18) =400534a(19) =853747a(20) =1819782a(21) =3878965a(22) =8268160a(23) =17623888a(24) =37566072a(25) =80073580a(26) =170680002a(27) =363811370a(28) =775478548a(29) =1652963605