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

Terms

a(0) =1a(1) =3a(2) =6a(3) =14a(4) =33a(5) =71a(6) =150a(7) =318a(8) =665a(9) =1375a(10) =2830a(11) =5798a(12) =11825a(13) =24039a(14) =48742a(15) =98606a(16) =199113a(17) =401455a(18) =808382a(19) =1626038a(20) =3267809a(21) =6562295a(22) =13169814a(23) =26416318a(24) =52962681a(25) =106145855a(26) =212665582a(27) =425965126a(28) =853005201a(29) =1707833095