Database of Permutation Pattern Avoidance (Look-Up)

Enter patterns, keywords, or an entry number:

Or view the entire database



If entering a pattern, please put a single space between each entry, as in: 3 4 10 2 5 1 7 9 8 6.

If searching multiple patterns, please separate them by commas.
For keyword queries, anything not separated by commas will be searched as an exact phrase.
A search will return those records that contain all of the queried terms.

Entry numbers range from P0001 to P0019.


The aim of this database is to provide a resource of phenomena characterized by avoiding a finite number of permutation patterns.

If you have any comments, corrections, or submissions, please email bridget (at) math.depaul.edu and include the word "Database" in the subject line.


This database is maintained by Bridget Tenner.