login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A152576 Number of equivalence classes of patterns of length n. 2
1, 1, 2, 5, 21, 114, 617 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

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

REFERENCES

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

LINKS

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

CROSSREFS

Sequence in context: A002628 A020129 A129582 * A078480 A212922 A243272

Adjacent sequences:  A152573 A152574 A152575 * A152577 A152578 A152579

KEYWORD

nonn

AUTHOR

John W. Layman, Dec 08 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 19 13:08 EDT 2019. Contains 321330 sequences. (Running on oeis4.)