Number of 5-ary Lyndon words of length n over Z_5 with trace 1 and subtrace 4.
A074421
Number of 5-ary Lyndon words of length n over Z_5 with trace 1 and subtrace 4.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =7a(4) =25a(5) =99a(6) =432a(7) =1935a(8) =8666a(9) =39050a(10) =177500a(11) =813748a(12) =3756250a(13) =17439507a(14) =81380200a(15) =381463875a(16) =1795133272a(17) =8477078967a(18) =40154687500a(19) =190734843750a(20) =908261160564
External references
- oeis: A074421