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A158005
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Numbers of pattern-matching permutations of (1234) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements.
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121
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1, 17, 207, 2279, 24553, 268521, 3042210, 36153510, 454208895, 6059942223, 86030083110, 1299647574882, 20865826165777, 355277740280849, 6399391841784282, 121623163346687170, 2432739049821422100
(list; graph; refs; listen; history; internal format)
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OFFSET
| 4,2
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COMMENTS
| Same series for 1243 1432 2134 2143 4123 3214 3412 2341 3421 4321 4312. [From R. H. Hardin (rhhardin(AT)att.net), Mar 15 2009]
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LINKS
| Eric Weisstein's World of Mathematics, Permutation Pattern
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CROSSREFS
| Sequence in context: A021092 A016981 A158009 * A158006 A014921 A081035
Adjacent sequences: A158002 A158003 A158004 * A158006 A158007 A158008
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KEYWORD
| nonn
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AUTHOR
| E. W. Weisstein (eric(AT)weisstein.com), Mar 11, 2009
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EXTENSIONS
| More terms from R. H. Hardin (rhhardin(AT)att.net), Mar 15 2009
Two more terms from Vladeta Jovovic (vladeta(AT)eunet.yu), Aug 17 2009
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