OFFSET
1,4
COMMENTS
Let x = RootOf(z^2 + z + 1) and y = 1 + x. Also the number of 4-ary Lyndon words of length n over GF(4) with trace x and subtrace 0. Also the number of 4-ary Lyndon words of length n over GF(4) with trace y and subtrace 0.
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
Frank Ruskey and Nate Kube, Aug 23 2002
EXTENSIONS
Terms a(16) and beyond from Andrey Zabolotskiy, Jul 21 2021
STATUS
approved