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A003014
Expansion of 1+x*exp(x)+x^2*exp(2*x)+x^3*exp(3*x).
+0
1
1, 1, 4, 21, 124, 705, 3726, 18361, 85240, 376641, 1597690, 6551721, 26116740, 101647585, 387634534, 1452554265, 5360857456, 19523426433, 70272302706, 250318462537, 883418329660, 3091835703201, 10739780397214
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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