Interleave A038504 with A131577.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =3a(7) =4a(8) =4a(9) =8a(10) =6a(11) =16a(12) =12a(13) =32a(14) =28a(15) =64a(16) =64a(17) =128a(18) =136a(19) =256a(20) =272a(21) =512a(22) =528a(23) =1024a(24) =1024a(25) =2048a(26) =2016a(27) =4096a(28) =4032a(29) =8192