The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A217819

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Number of alternating permutations on 2n letters that avoid a certain pattern of length 5 (see Lewis, 2012, Appendix, for precise definition).
(history; published version)

#8 by N. J. A. Sloane at Mon Oct 08 09:30:38 EDT 2018

LINKS

J. B. Lewis, <a href="httphttps://mathdspace.umnmit.edu/~jblewis/docshandle/PhDthesis.JBL1721.pdf1/73444">Pattern Avoidance for Alternating Permutations and Reading Words of Tableaux</a>, Ph. D. Dissertation, Department of Mathematics, MIT, 2012.

Discussion

Mon Oct 08

09:30

OEIS Server: https://oeis.org/edit/global/2769

#7 by Joerg Arndt at Wed Feb 28 10:31:26 EST 2018

STATUS

proposed

approved

#6 by Lars Blomberg at Wed Feb 28 10:26:58 EST 2018

STATUS

editing

proposed

#5 by Lars Blomberg at Wed Feb 28 10:22:49 EST 2018

DATA

1, 5, 56, 1004, 24336, 727807, 25433281, 1002714053

EXTENSIONS

a(7)-a(8) from Lars Blomberg, Feb 28 2018

STATUS

approved

editing

#4 by N. J. A. Sloane at Sat Oct 13 11:52:13 EDT 2012

STATUS

editing

approved

#3 by N. J. A. Sloane at Sat Oct 13 11:52:11 EDT 2012

NAME

q

Number of alternating permutations on 2n letters that avoid a certain pattern of length 5 (see Lewis, 2012, Appendix, for precise definition).

LINKS

J. B. Lewis, <a href="http://math.umn.edu/~jblewis/docs/PhDthesis.JBL.pdf">Pattern Avoidance for Alternating Permutations and Reading Words of Tableaux</a>, Ph. D. Dissertation, Department of Mathematics, MIT, 2012.

CROSSREFS

Cf. A181197, A217799-A217830.

KEYWORD

nonn,changedmore,new

#2 by N. J. A. Sloane at Sat Oct 13 11:51:53 EDT 2012

NAME

allocated for N. J. A. Sloane

q

DATA

1, 5, 56, 1004, 24336, 727807

OFFSET

1,2

KEYWORD

allocated

nonn

AUTHOR

N. J. A. Sloane, Oct 13 2012

STATUS

approved

editing

#1 by N. J. A. Sloane at Fri Oct 12 06:48:34 EDT 2012

NAME

allocated for N. J. A. Sloane

KEYWORD

allocated

STATUS

approved