Number of 5-ary Lyndon words of length n over Z_5 with trace 1 and subtrace 2.

A074419

Number of 5-ary Lyndon words of length n over Z_5 with trace 1 and subtrace 2.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =5a(4) =25a(5) =107a(6) =450a(7) =1950a(8) =8666a(9) =39050a(10) =177500a(11) =813490a(12) =3755048a(13) =17437275a(14) =81380200a(15) =381473625a(16) =1795156250a(17) =8477100632a(18) =40154687500a(19) =190734843750a(20) =908261160564

External references