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A000471 a(n) = floor(sinh(n)). 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

T. D. Noe, Table of n, a(n) for n = 0..200

FORMULA

a(n) = floor(e^n/2). - Bruno Berselli, Mar 04 2016

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 *)

CROSSREFS

Cf. A000501, A001113.

Sequence in context: A271357 A085948 * A000501 A154496 A027251 A279136

Adjacent sequences:  A000468 A000469 A000470 * A000472 A000473 A000474

KEYWORD

nonn

AUTHOR

Simon Plouffe

EXTENSIONS

More terms from Stefan Steinerberger, Apr 15 2006

STATUS

approved

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Last modified March 26 20:49 EDT 2017. Contains 284137 sequences.