Expansion of Product_{k>=0} (1 + x^(4^k))^(4^(k+1)).

Terms

a(0) =1a(1) =4a(2) =6a(3) =4a(4) =17a(5) =64a(6) =96a(7) =64a(8) =136a(9) =480a(10) =720a(11) =480a(12) =680a(13) =2240a(14) =3360a(15) =2240a(16) =2444a(17) =7536a(18) =11304a(19) =7536a(20) =7276a(21) =21568a(22) =32352a(23) =21568a(24) =21080a(25) =62752a(26) =94128a(27) =62752a(28) =62968a(29) =189120