Maximal coefficient of Product_{k=1..n} (1 + 2*x^k).

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =72a(7) =176a(8) =384a(9) =976a(10) =2496a(11) =6560a(12) =17152a(13) =45952a(14) =123520a(15) =336640a(16) =920832a(17) =2526976a(18) =6979584a(19) =19379712a(20) =53966336a(21) =150892544a(22) =423132160a(23) =1190260736a(24) =3356964864a(25) =9491228672a(26) =26889519104a(27) =76351971328a(28) =217229369344a(29) =619159953408