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A197977 Round((4*n+1/n)^n) 1
5, 72, 1876, 69729, 3363232, 199205127, 13982257729, 1134344816184, 104416147080711, 10750872867074586, 1224163955433850944, 152733676280699540998, 20719969553916698313304, 3036565789908881887393114 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Table[Round[(4n+1/n)^n], {n, 20}] (* Harvey P. Dale, Aug 20 2013 *)

PROG

(MAGMA) [Round((4*n+1/n)^n): n in [1..20]]

CROSSREFS

Cf. A014056, A197324

Sequence in context: A268782 A282788 A197324 * A307932 A136637 A319767

Adjacent sequences:  A197974 A197975 A197976 * A197978 A197979 A197980

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Oct 20 2011

STATUS

approved

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Last modified September 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)