Number of elements of GF(2^n) with trace 0 and subtrace 0.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =6a(5) =6a(6) =16a(7) =36a(8) =56a(9) =136a(10) =256a(11) =496a(12) =1056a(13) =2016a(14) =4096a(15) =8256a(16) =16256a(17) =32896a(18) =65536a(19) =130816a(20) =262656a(21) =523776a(22) =1048576a(23) =2098176a(24) =4192256a(25) =8390656a(26) =16777216a(27) =33550336a(28) =67117056a(29) =134209536