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A066384
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a(n) = Sum_{k=0..n} binomial(2^n,k).
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4
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1, 3, 11, 93, 2517, 242825, 83278001, 100224990433, 423203101008289, 6320756952791172417, 337588530920463407788161, 65183827170777713040896325889, 45946801057461743411385200045344257, 119218150804947710897541255907308439677953, 1146646393160535279886911833912593527834996340737
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OFFSET
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0,2
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LINKS
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FORMULA
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MAPLE
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MATHEMATICA
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Table[Sum[Binomial[2^n, k], {k, 0, n}], {n, 0, 15}] (* Vaclav Kotesovec, Jul 02 2016 *)
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PROG
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(Sage) [sum(binomial(2^n, k) for k in (0..n)) for n in (0..20)] # G. C. Greubel, Mar 15 2021
(Magma) [(&+[Binomial(2^n, k): k in [0..n]]): n in [0..20]]; // G. C. Greubel, Mar 15 2021
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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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