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Search: id:A001527
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| A001527 |
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2 Sum C(2^n-1,i), i=0..n.
(Formerly M1286 N0493)
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+0
1
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| 2, 4, 14, 128, 3882, 412736, 151223522, 189581406208, 820064805806914, 12419746847290729472, 668590083306794321516802, 129667782549203712117025325056, 91624448643446654575608517356620802, 238057970008583161105667221977375792447488
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
R. O. Winder, Enumeration of seven-argument threshold functions, IEEE Trans. Electron. Computers, 14 (1965), 315-.
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CROSSREFS
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Equals 2 * A046855.
Sequence in context: A000609 A102449 A102897 this_sequence A067209 A134040 A061291
Adjacent sequences: A001524 A001525 A001526 this_sequence A001528 A001529 A001530
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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