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A239379
Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1423.
0
1, 1, 4, 27, 255, 3028, 41972, 647006
OFFSET
0,3
CROSSREFS
Cf. A239295.
Sequence in context: A350276 A350275 A239380 * A239298 A239299 A239300
KEYWORD
nonn,more
AUTHOR
Chad Brewbaker, Mar 17 2014
STATUS
approved