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A074427
Number of 6-ary Lyndon words of length n with trace 0 and subtrace 5 over Z_6.
21
0, 1, 6, 18, 60, 240, 1008, 4908, 28080, 165840, 940896, 5174688, 28304640, 155696585, 865095552, 4861712448, 27554100480, 156752183808, 892662156288, 5087657135000, 29043991855542, 166186204664832, 953309368018944, 5481528861090816, 31581437286776820
OFFSET
1,3
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