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Search: id:A158005
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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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122
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| 1, 17, 207, 2279, 24553, 268521, 3042210, 36153510, 454208895, 6059942223, 86030083110, 1299647574882, 20865826165777, 355277740280849, 6399391841784282, 121623163346687170, 2432739049821422100
(list; graph; listen)
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OFFSET
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4,2
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COMMENT
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Same series for 1243 1432 2134 2143 4123 3214 3412 2341 3421 4321 4312. [From Ron Hardin (rhhardin(AT)att.net), Mar 15 2009]
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LINKS
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Eric Weisstein's World of Mathematics, Permutation Pattern
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CROSSREFS
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Sequence in context: A021092 A016981 A158009 this_sequence A158006 A014921 A081035
Adjacent sequences: A158002 A158003 A158004 this_sequence A158006 A158007 A158008
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KEYWORD
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nonn
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AUTHOR
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E. W. Weisstein (eric(AT)weisstein.com), Mar 11, 2009
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EXTENSIONS
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More terms from Ron 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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