A158006 Numbers of pattern-matching permutations of (1342) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements.

1, 17, 208, 2300, 24835, 271635, 3073138, 36441710, 456786893, 6082380509, 86221730452, 1301262846944, 20879311736263

Offset

4,2

Comments

Same series for 2413 1423 3124 3142 4132 2314 4213 2431 3241. - R. H. Hardin, Mar 15 2009

Links

Table of n, a(n) for n=4..16.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

Sequence in context: A016981 A158009 A158005 * A239157 A014921 A081035

Adjacent sequences: A158003 A158004 A158005 * A158007 A158008 A158009

Keyword

nonn,more

Author

Eric W. Weisstein, Mar 11 2009

Extensions

More terms from R. H. Hardin, Mar 15 2009

Status

approved