Number of strings of length n over GF(4) with trace 1 and subtrace 1.
A073998
Number of strings of length n over GF(4) with trace 1 and subtrace 1.
Terms
- a(0) =0a(1) =2a(2) =7a(3) =16a(4) =60a(5) =272a(6) =1072a(7) =4096a(8) =16320a(9) =65792a(10) =262912a(11) =1048576a(12) =4193280a(13) =16781312a(14) =67121152a(15) =268435456a(16) =1073725440a(17) =4295032832a(18) =17180065792a(19) =68719476736a(20) =274877644800
External references
- oeis: A073998