OFFSET
0,3
LINKS
S. Heubach, T. Mansour and A. O. Munagi, Avoiding Permutation Patterns of Type (2,1) in Compositions, Online Journal of Analytic Combinatorics, 4 (2009).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 16 2011
STATUS
approved