Number of strings of length n over Z_6 with trace 1 and subtrace 0.

A073977

Number of strings of length n over Z_6 with trace 1 and subtrace 0.

Terms

    a(0) =1a(1) =4a(2) =9a(3) =36a(4) =180a(5) =972a(6) =6300a(7) =44928a(8) =297432a(9) =1784592a(10) =10349856a(11) =60466176a(12) =358108128a(13) =2145709440a(14) =12958657344a(15) =78364164096a(16) =472093588224

External references