G.f. = Phi^4, where Phi = g.f. for A028930.

Terms

a(0) =1a(1) =0a(2) =8a(3) =8a(4) =32a(5) =48a(6) =112a(7) =144a(8) =288a(9) =344a(10) =544a(11) =640a(12) =920a(13) =984a(14) =1424a(15) =1536a(16) =2024a(17) =2272a(18) =3016a(19) =3088a(20) =4160a(21) =4432a(22) =5488a(23) =5760a(24) =7432a(25) =7104a(26) =9232a(27) =9368a(28) =11040a(29) =10824