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

Terms

a(0) =1a(1) =7a(2) =42a(3) =230a(4) =1211a(5) =6237a(6) =31732a(7) =160300a(8) =806421a(9) =4046867a(10) =20278622a(11) =101525970a(12) =508028431a(13) =2541337897a(14) =12710276712a(15) =63562145240a(16) =317843011241