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Revision History for A060906

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A060906

E.g.f.: exp(x*exp(x) + 1/3*x^3*exp(x)^3).
(history; published version)

#11 by Alois P. Heinz at Fri Jul 25 09:22:14 EDT 2014

STATUS

editing

approved

#10 by Alois P. Heinz at Fri Jul 25 09:22:11 EDT 2014

CROSSREFS

Column k=4 of A245501.

STATUS

approved

editing

#9 by Alois P. Heinz at Thu Jul 24 13:22:53 EDT 2014

STATUS

editing

approved

#8 by Alois P. Heinz at Thu Jul 24 13:22:46 EDT 2014

LINKS

Alois P. Heinz, <a href="/A060906/b060906.txt">Table of n, a(n) for n = 0..200</a>

#7 by Alois P. Heinz at Thu Jul 24 13:16:47 EDT 2014

DATA

1, 1, 3, 12, 73, 556, 4737, 44122, 453441, 5186664, 65671201, 906052654, 13418086497, 211472682604, 3535616946513, 62621439810066, 1172370604136833, 23118679430573008, 478329265510033473, 10349724555927678934, 233633352312272612001, 5492655756487132979796

COMMENTS

The number of functions from {1,2,...,n} to itself such that f(x)=f^4(x). - From __Geoffrey Critzer_, Sep 18 2012

STATUS

approved

editing

#6 by Charles R Greathouse IV at Fri May 10 12:44:44 EDT 2013

AUTHOR

_Vladeta Jovovic (vladeta(AT)eunet.rs), _, Apr 07 2001

Discussion

Fri May 10

12:44

OEIS Server: https://oeis.org/edit/global/1911

#5 by Joerg Arndt at Wed Sep 19 02:49:25 EDT 2012

STATUS

proposed

approved

#4 by Geoffrey Critzer at Tue Sep 18 18:52:24 EDT 2012

STATUS

editing

proposed

#3 by Geoffrey Critzer at Tue Sep 18 18:52:17 EDT 2012

COMMENTS

The number of functions from {1,2,...,n} to itself such that f(x)=f^4(x). - From Geoffrey Critzer, Sep 18 2012

MATHEMATICA

nn=20; a=x Exp[x]; Range[0, nn]!CoefficientList[Series[Exp[a+a^3/3], {x, 0, nn}], x] (* Geoffrey Critzer, Sep 18 2012 *)

STATUS

approved

editing

#2 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

KEYWORD

nonn,new

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)Euneteunet.yurs), Apr 07 2001