Expansion of x*(1+x)/((1-x)*(1-10*x^2)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =12a(4) =22a(5) =122a(6) =222a(7) =1222a(8) =2222a(9) =12222a(10) =22222a(11) =122222a(12) =222222a(13) =1222222a(14) =2222222a(15) =12222222a(16) =22222222a(17) =122222222a(18) =222222222a(19) =1222222222a(20) =2222222222a(21) =12222222222a(22) =22222222222a(23) =122222222222a(24) =222222222222