A121246 a(n) = ceiling((Pi^n)*(e^n)).
9, 73, 623, 5319, 45418, 387853, 3312154, 28284913, 241545634, 2062735515, 17615213066, 150429237854, 1284625710592, 10970362144063, 93683977036771, 800036264817078, 6832097070038331, 58344293161634134, 498244757010106386
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Programs
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Maple
A121246:=n->ceil((Pi^n)*(exp(1)^n)): seq(A121246(n), n=1..30); # Wesley Ivan Hurt, Jan 30 2017
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Mathematica
Table[Ceiling[Pi^n E^n],{n,20}] (* Harvey P. Dale, Aug 20 2012 *)