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A074428
Number of 6-ary Lyndon words of length n with trace 1 and subtrace 0 over Z_6.
21
1, 2, 3, 9, 36, 162, 900, 5616, 33048, 178459, 940896, 5038848, 27546779, 153264960, 863910489, 4897760256, 27770211072, 157340548224, 892526107392, 5077739844402, 28988793435209, 166026726038016, 953309368018944, 5484237660094464, 31597040041716690
OFFSET
1,2
COMMENTS
Same as the number of 6-ary Lyndon words of length n with trace 5 and subtrace 0 over Z_6.
KEYWORD
easy,nonn
AUTHOR
Frank Ruskey and Nate Kube, Aug 23 2002
EXTENSIONS
Terms a(11) onwards from Max Alekseyev, Feb 20 2010
STATUS
approved