A239373 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1213.

1, 1, 4, 27, 252, 2935, 40330, 632408

Offset

0,3

Links

Table of n, a(n) for n=0..7.

Crossrefs

Cf. A239295.

Sequence in context: A273994 A239378 A239376 * A239377 A239371 A201996

Adjacent sequences: A239370 A239371 A239372 * A239374 A239375 A239376

Keyword

nonn,more

Author

Chad Brewbaker, Mar 17 2014

Status

approved