Expansion of (1 + 2*x + 6*x^2)/(1 - x - x^2 - 2*x^3) in powers of x.

Terms

a(0) =1a(1) =3a(2) =10a(3) =15a(4) =31a(5) =66a(6) =127a(7) =255a(8) =514a(9) =1023a(10) =2047a(11) =4098a(12) =8191a(13) =16383a(14) =32770a(15) =65535a(16) =131071a(17) =262146a(18) =524287a(19) =1048575a(20) =2097154a(21) =4194303a(22) =8388607a(23) =16777218a(24) =33554431a(25) =67108863a(26) =134217730a(27) =268435455a(28) =536870911a(29) =1073741826