A182197 a(n) = round(e^(n+1)/(e^2+1)).

0, 1, 2, 7, 18, 48, 131, 355, 966, 2626, 7137, 19401, 52737, 143354, 389676, 1059250, 2879341, 7826860, 21275612, 57833109, 157206689, 427332086, 1161609045, 3157580760, 8583194401, 23331541370, 63421704936, 172398068059, 468626535665, 1273858996233

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..1000

Formula

a(n) = round(e^(n+1)/(e^2+1)).

Mathematica

Table[Round[E^(n + 1)/(E^2 + 1)], {n, 0, 50}] (* T. D. Noe, Apr 22 2012 *)

Prog

(Sage) [round(exp(n+1)/(1+exp(2))) for n in (0..40)] # G. C. Greubel, May 24 2021

Crossrefs

Another version of A090039.

Sequence in context: A161870 A362126 A072338 * A022726 A192873 A017925

Adjacent sequences: A182194 A182195 A182196 * A182198 A182199 A182200

Keyword

nonn

Author

Thomas Ordowski, Apr 20 2012

Status

approved