Expansion of (1+2*x^4+x^7)/((1-x)^2*(1-x^7)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =7a(5) =10a(6) =13a(7) =18a(8) =23a(9) =28a(10) =33a(11) =40a(12) =47a(13) =54a(14) =63a(15) =72a(16) =81a(17) =90a(18) =101a(19) =112a(20) =123a(21) =136a(22) =149a(23) =162a(24) =175a(25) =190a(26) =205a(27) =220a(28) =237a(29) =254