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A074423
Number of 6-ary Lyndon words of length n with trace 0 and subtrace 1 over Z_6.
21
0, 0, 0, 8, 60, 236, 1008, 5280, 30240, 169987, 940896, 5174688, 28304640, 155270016, 862725426, 4857268896, 27554100480, 156752186112, 892662156288, 5088174124950, 29046943180800, 166191833516125, 953309368018944, 5481528861090816, 31581437286776820
OFFSET
1,4
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