Expansion of 1/(1-x-x^2+x^3-x^4).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =5a(6) =9a(7) =12a(8) =20a(9) =28a(10) =45a(11) =65a(12) =102a(13) =150a(14) =232a(15) =345a(16) =529a(17) =792a(18) =1208a(19) =1816a(20) =2761a(21) =4161a(22) =6314a(23) =9530a(24) =14444a(25) =21821a(26) =33049a(27) =49956a(28) =75628a(29) =114356