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A068539 Number of quinternary cubefree words of length n. 0
5, 25, 120, 580, 2800, 13500, 65100, 313940, 1513820, 7299760, 35200020, 169736780, 818482260 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Cf. A028445, A051042, A051043.

Sequence in context: A034274 A110212 A089927 * A123871 A078717 A086093

Adjacent sequences:  A068536 A068537 A068538 * A068540 A068541 A068542

KEYWORD

more,nonn

AUTHOR

Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 22 2002

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Last modified February 16 16:51 EST 2012. Contains 205938 sequences.