Number of strings of length n over Z_6 with trace 3 and subtrace 2.
A073991
Number of strings of length n over Z_6 with trace 3 and subtrace 2.
Terms
- a(0) =0a(1) =4a(2) =18a(3) =48a(4) =180a(5) =1080a(6) =7056a(7) =44928a(8) =286416a(9) =1762560a(10) =10349856a(11) =60217344a(12) =356638464a(13) =2145709440a(14) =12976433280a(15) =78399995904a(16) =472093588224
External references
- oeis: A073991