Expansion of 1/(x^k*(1-x-2*x^(k+1))) for k=7.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =9a(5) =11a(6) =13a(7) =15a(8) =17a(9) =23a(10) =33a(11) =47a(12) =65a(13) =87a(14) =113a(15) =143a(16) =177a(17) =223a(18) =289a(19) =383a(20) =513a(21) =687a(22) =913a(23) =1199a(24) =1553a(25) =1999a(26) =2577a(27) =3343a(28) =4369a(29) =5743