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A197716 Ceiling((2n+1/n)^n). 6
3, 21, 255, 4633, 110409, 3243618, 113177497, 4570858600, 209655304353, 10763674952098, 611433842280388, 38071427445729201, 2578294348444597267, 188670154792420320215, 14834716200104606205408, 1247263229999781126495328, 111661618863544248806155260 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..300

PROG

(MAGMA) [Ceiling((2*n+1/n)^n): n in [1..20]]

(PARI) a(n)=ceil((2*n+1/n)^n) \\ Charles R Greathouse IV, Nov 21 2011

CROSSREFS

Cf. A014058.

Sequence in context: A205319 A209917 A179504 * A336638 A317059 A262939

Adjacent sequences:  A197713 A197714 A197715 * A197717 A197718 A197719

KEYWORD

nonn,less

AUTHOR

Vincenzo Librandi, Oct 18 2011

STATUS

approved

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Last modified December 2 05:01 EST 2021. Contains 349437 sequences. (Running on oeis4.)