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Number of 6-ary Lyndon words of length n with trace 3 and subtrace 5 over Z_6.
23

%I #11 May 03 2019 07:19:32

%S 0,0,2,12,60,300,1296,5616,28080,155520,883872,5018112,28304640,

%T 158130514,878719104,4899999744,27554100480,156139902720,889181991936,

%U 5077739844402,29043991855542,166348496793600,954240788994048,5484206701412352,31581437286776820

%N Number of 6-ary Lyndon words of length n with trace 3 and subtrace 5 over Z_6.

%H Max Alekseyev, <a href="http://home.gwu.edu/~maxal/gpscripts/">PARI/GP scripts for miscellaneous math problems</a>

%H F. Ruskey <a href="http://combos.org/TSlyndonZ6">6-ary Lyndon words with given trace and subtrace</a>

%Y Cf. A074422, A074423, A074424, A074425, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444.

%K easy,nonn

%O 1,3

%A _Frank Ruskey_ and Nate Kube, Aug 23 2002

%E Terms a(11) onwards from _Max Alekseyev_, Feb 20 2010