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A001315
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a(n) = Sum_{k=0..n} 2^binomial(n,k).
(Formerly M1158 N0441)
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14
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OFFSET
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0,1
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REFERENCES
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H. W. Gould, Exponential Binomial Coefficient Series. Tech. Rep. 4, Math. Dept., West Virginia Univ., Morgantown, WV, Sep. 1961.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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MATHEMATICA
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Table[Sum[2^Binomial[n, k], {k, 0, n}], {n, 0, 13}] (* T. D. Noe, Jun 28 2012 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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