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A007121 Expansion of ( (1+x)^x )^x.
(Formerly M4099)
+0
1
1, 0, 0, 6, 12, 40, 180, 1512, 11760, 38880, 20160, 2106720, 22381920, 173197440, 703999296, 1737489600, 86030380800, 1149696737280, 11455162974720 (list; graph; listen)
OFFSET

0,4

REFERENCES

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

CROSSREFS

Sequence in context: A026083 A128453 A052747 this_sequence A152786 A048069 A152787

Adjacent sequences: A007118 A007119 A007120 this_sequence A007122 A007123 A007124

KEYWORD

nonn

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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