A239300 Words of length n over the alphabet {0,...,n-1} that are 1324-avoiding.

1, 1, 4, 27, 255, 3028, 41979, 647826, 10807287, 191374095, 3554481788

Offset

0,3

Links

Table of n, a(n) for n=0..10.

Crossrefs

The permutation analog is A061552.

Cf. A000312.

Sequence in context: A239379 A239298 A239299 * A239490 A239491 A365095

Adjacent sequences: A239297 A239298 A239299 * A239301 A239302 A239303

Keyword

nonn,hard,more

Author

Chad Brewbaker, Mar 14 2014

Extensions

a(8)-a(10) from Giovanni Resta, Mar 14 2014

Status

approved