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A001315 Sum 2^C(n,k), k = 0..n.
(Formerly M1158 N0441)
2
2, 4, 8, 20, 100, 2116, 1114244, 68723671300, 1180735735906024030724, 170141183460507917357914971986913657860 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

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).

LINKS

T. D. Noe, Table of n, a(n) for n = 0..13

MATHEMATICA

Table[Sum[2^Binomial[n, k], {k, 0, n}], {n, 0, 13}] (* T. D. Noe, Jun 28 2012 *)

CROSSREFS

Sequence in context: A241891 A112278 A059731 * A216643 A002040 A162110

Adjacent sequences:  A001312 A001313 A001314 * A001316 A001317 A001318

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 20 12:33 EST 2018. Contains 299379 sequences. (Running on oeis4.)