Expansion of Product_{k>=1} 1 / (1 - 3*2^k*x^k).

Terms

a(0) =1a(1) =6a(2) =48a(3) =312a(4) =2064a(5) =12768a(6) =79680a(7) =484224a(8) =2947584a(9) =17783808a(10) =107268096a(11) =644960256a(12) =3877367808a(13) =23282294784a(14) =139790696448a(15) =838984925184