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A074442
Number of 6-ary Lyndon words of length n with trace 3 and subtrace 2 over Z_6.
21
0, 2, 6, 12, 36, 180, 1008, 5616, 31824, 176256, 940896, 5018112, 27433728, 153264960, 865095552, 4899999744, 27770211072, 157364529408, 892662156288, 5077739844402, 28987320651922, 166023914360832, 953309368018944, 5484206701412352, 31596861676172076
OFFSET
1,2
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