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

Terms

a(0) =1a(1) =7a(2) =47a(3) =315a(4) =2111a(5) =14147a(6) =94807a(7) =635355a(8) =4257871a(9) =28534387a(10) =191224967a(11) =1281505995a(12) =8588092031a(13) =57553632227a(14) =385699241527