Revision History for A152496
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing all changes.
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#8 by Peter Luschny at Tue May 12 11:45:02 EDT 2020
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#7 by Joerg Arndt at Tue May 12 11:43:49 EDT 2020
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#6 by Andrew Howroyd at Tue May 12 11:35:16 EDT 2020
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#5 by Andrew Howroyd at Tue May 12 11:31:14 EDT 2020
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#4 by Andrew Howroyd at Mon May 11 18:19:42 EDT 2020
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| DATA
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0, 0, 0, 113, 16565, 1216902, 65819156, 3026987243, 126794945523, 5020186173560, 191940972943658, 7179017518306893, 264789361664356313, 9680016979445645738, 351879352694331441600, 12745281650338440074831, 460591166578400672643359, 16621008007245773574764028
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| LINKS
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Andrew Howroyd, <a href="/A152496/b152496.txt">Table of n, a(n) for n = 1..200</a>
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| EXTENSIONS
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Terms a(11) and beyond from Andrew Howroyd, May 11 2020
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| STATUS
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approved
editing
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#3 by Russ Cox at Sat Mar 31 12:35:19 EDT 2012
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| AUTHOR
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_R. H. Hardin (rhhardin(AT)att.net), _, Dec 06 2008
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Discussion
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| Sat Mar 31
| 12:35
| OEIS Server: https://oeis.org/edit/global/875
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#2 by N. J. A. Sloane at Sat Oct 02 03:00:00 EDT 2010
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| KEYWORD
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nonn,new
nonn
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| AUTHOR
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Ron R. H. Hardin (rhhardin(AT)att.net), Dec 06 2008
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#1 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009
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| NAME
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1/3 of the number of permutations of 2 indistinguishable copies of 1..n with exactly 4 local maxima.
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| DATA
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0, 0, 0, 113, 16565, 1216902, 65819156, 3026987243, 126794945523, 5020186173560
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| OFFSET
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1,4
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| KEYWORD
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nonn
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| AUTHOR
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Ron Hardin (rhhardin(AT)att.net), Dec 06 2008
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| STATUS
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approved
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