Expansion of 1/( 1 - Sum_{k>=0} x^(6^k) / (1 - x^(6^k)) ).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =16a(6) =33a(7) =66a(8) =133a(9) =268a(10) =540a(11) =1088a(12) =2194a(13) =4421a(14) =8910a(15) =17957a(16) =36190a(17) =72936a(18) =146996a(19) =296252a(20) =597061a(21) =1203306a(22) =2425121a(23) =4887544a(24) =9850272a(25) =19852060a(26) =40009486a(27) =80634401a(28) =162509126a(29) =327517977