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A000498
Eulerian numbers. Column 4 of Euler's triangle
A008292
. Number of permutations of n letters with exactly 3 descents.
(Formerly M5188 N2255)
+0
3
1, 26, 302, 2416, 15619, 88234, 455192, 2203488, 10187685, 45533450, 198410786, 848090912, 3572085255, 14875399450, 61403313100, 251732291184, 1026509354985, 4168403181210, 16871482830550, 68111623139600
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
AT&T Labs Research
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