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A074448 Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace 0. +0
5
1, 1, 1, 4, 15, 45, 144, 512, 1841, 6579, 23808, 87380, 322875, 1198665, 4473647 (list; graph; listen)
OFFSET

1,4

COMMENT

Let x = RootOf( z^2+z+1 ) and y = 1+x. Also the number of 4-ary Lyndon words of length n over GF(4) with trace x and subtrace 0. Also the number of 4-ary Lyndon words of length n over GF(4) with trace y and subtrace 0.

LINKS

F. Ruskey, Number of 4-ary Lyndon words over GF(4) with given trace and subtrace

CROSSREFS

Cf. A074446, A074447, A074449, A074450.

Sequence in context: A085567 A075673 A062827 this_sequence A111038 A100506 A093967

Adjacent sequences: A074445 A074446 A074447 this_sequence A074449 A074450 A074451

KEYWORD

easy,nonn

AUTHOR

Frank Ruskey, Nate Kube (fruskey(AT)cs.uvic.ca), Aug 23 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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