A152576 Number of equivalence classes of patterns of length n.

1, 1, 2, 5, 21, 114, 617

Offset

1,3

Comments

This sequence is copied from the referenced paper and has not been independently confirmed by the submitter.

Links

Table of n, a(n) for n=1..7.

V. Jelinek and T. Mansour, On pattern-avoiding partitions, Elect. J. Comb. 15(2008) R39, p. 50 of 52.

Crossrefs

Sequence in context: A357919 A020129 A129582 * A328286 A078480 A212922

Adjacent sequences: A152573 A152574 A152575 * A152577 A152578 A152579

Keyword

nonn,more

Author

John W. Layman, Dec 08 2008

Status

approved