A000471 a(n) = floor(sinh(n)).
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
Offset: 0
Keywords
Links
- T. D. Noe, Table of n, a(n) for n = 0..200
Programs
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Mathematica
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 *)
Formula
a(n) = floor(e^n/2). - Bruno Berselli, Mar 04 2016
Extensions
More terms from Stefan Steinerberger, Apr 15 2006