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A074444
Number of 6-ary Lyndon words of length n with trace 3 and subtrace 4 over Z_6.
21
0, 0, 0, 6, 36, 180, 1008, 6048, 34272, 180662, 940896, 5018112, 27433728, 152845056, 862725426, 4895520768, 27770211072, 157364529408, 892662156288, 5078255822436, 28990266218496, 166029537715200, 953309368018944, 5484206701412352, 31596861676172076
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