Number of strings of length n over Z_6 with trace 1 and subtrace 3.

A073980

Number of strings of length n over Z_6 with trace 1 and subtrace 3.

Terms

    a(0) =0a(1) =0a(2) =3a(3) =36a(4) =300a(5) =1620a(6) =8100a(7) =44928a(8) =262440a(9) =1574640a(10) =9722592a(11) =60466176a(12) =369476640a(13) =2213827200a(14) =13162730688a(15) =78364164096a(16) =468419708160

External references