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A182197
a(n) = round(e^(n+1)/(e^2+1)).
2
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
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
KEYWORD
nonn
AUTHOR
Thomas Ordowski, Apr 20 2012
STATUS
approved