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A000471
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a(n) = floor(sinh(n)).
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3
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0, 1, 3, 10, 27, 74, 201, 548, 1490, 4051, 11013, 29937, 81377, 221206, 601302, 1634508, 4443055, 12077476, 32829984, 89241150, 242582597, 659407867, 1792456423, 4872401723, 13244561064, 36002449668, 97864804714, 266024120300, 723128532145, 1965667148572
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OFFSET
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0,3
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LINKS
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T. D. Noe, Table of n, a(n) for n = 0..200
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FORMULA
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a(n) = floor(e^n/2). - Bruno Berselli, Mar 04 2016
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MATHEMATICA
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Table[Floor[Sinh[n]], {n, 0, 50}] (* Stefan Steinerberger, Apr 15 2006 *)
Table[Floor[E^n/2], {n, 0, 30}] (* Bruno Berselli, Mar 04 2016 *)
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CROSSREFS
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Cf. A000501, A001113.
Sequence in context: A309300 A271357 A085948 * A000501 A154496 A027251
Adjacent sequences: A000468 A000469 A000470 * A000472 A000473 A000474
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KEYWORD
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nonn
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AUTHOR
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Simon Plouffe
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EXTENSIONS
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More terms from Stefan Steinerberger, Apr 15 2006
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STATUS
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approved
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