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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; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Cf. A028445, A051042, A051043.

Sequence in context: A269602 A089927 A269463 * A123871 A268453 A218989

Adjacent sequences:  A068536 A068537 A068538 * A068540 A068541 A068542

KEYWORD

more,nonn

AUTHOR

Sascha Kurz, Mar 22 2002

STATUS

approved

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Last modified August 14 07:04 EDT 2020. Contains 336477 sequences. (Running on oeis4.)