Expansion of (1+x) / (1-x-5*x^2-2*x^3).

Terms

a(0) =1a(1) =2a(2) =7a(3) =19a(4) =58a(5) =167a(6) =495a(7) =1446a(8) =4255a(9) =12475a(10) =36642a(11) =107527a(12) =315687a(13) =926606a(14) =2720095a(15) =7984499a(16) =23438186a(17) =68800871a(18) =201960799a(19) =592841526a(20) =1740247263a(21) =5108376491a(22) =14995295858a(23) =44017672839a(24) =129210905111a(25) =379289861022