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Revision History for A004206

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Showing entries 1-10 | older changes
Number of permutations of length n with spread 2.
(history; published version)
#19 by Jon E. Schoenfield at Tue Oct 24 20:46:02 EDT 2023
STATUS

editing

approved

#18 by Jon E. Schoenfield at Tue Oct 24 20:46:00 EDT 2023
AUTHOR
STATUS

approved

editing

#17 by Peter Luschny at Sun Mar 01 13:25:00 EST 2020
STATUS

proposed

approved

#16 by Michel Marcus at Sun Mar 01 13:05:19 EST 2020
STATUS

editing

proposed

#15 by Michel Marcus at Sun Mar 01 13:05:13 EST 2020
LINKS

R. L. Graham and D. H. Lehmer, , <a href="https://doi.org/10.1017/S1446788700019339">On the Permanent of Schur's Matrix</a>, Jour. Australian Math. Soc. 21 no. 4 (series A) (1976), 487-497.

#14 by Michel Marcus at Sun Mar 01 13:04:56 EST 2020
REFERENCES

Graham, R. L.; Lehmer, D. H. On the permanent of Schur's matrix. J. Austral. Math. Soc. Ser. A 21 (1976), no. 4, 487-497.

LINKS

R. L. Graham, R and D. LH.; Lehmer, D. H., , <a href="httphttps://www.math.ucsddoi.edu/~ronspubsorg/76_07_schurs_matrix10.pdf1017/S1446788700019339">On the Permanent of Schur's Matrix</a>, Jour. Australian Math. Soc. 21 no. 4 (series A) (1976), 487-497.

STATUS

approved

editing

#13 by Georg Fischer at Tue Jan 01 14:26:49 EST 2019
STATUS

editing

approved

#12 by Georg Fischer at Tue Jan 01 14:26:34 EST 2019
LINKS

Graham, R. L.; Lehmer, D. H., <a href="http://www.math.ucsd.edu/~sbutler/ronronspubs/76_07_schurs_matrix.pdf">On the Permanent of Schur's Matrix</a>, Jour. Australian Math. Soc. 21 (series A) (1976), 487-497.

STATUS

approved

editing

#11 by Russ Cox at Fri Mar 30 16:44:01 EDT 2012
AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion
Fri Mar 30
16:44
OEIS Server: https://oeis.org/edit/global/110
#10 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010
REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

KEYWORD

nonn,new

nonn