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URL: https://oeis.org/A197324

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A197324
a(n) = floor((4*n+1/n)^n).
2
5, 72, 1876, 69729, 3363232, 199205126, 13982257728, 1134344816184, 104416147080711, 10750872867074586, 1224163955433850943, 152733676280699540998, 20719969553916698313304, 3036565789908881887393113, 478082645334119488823777214, 80475210949356295594385157620
OFFSET
1,1
LINKS
MATHEMATICA
Table[Floor[(4n+1/n)^n], {n, 20}] (* Harvey P. Dale, Mar 23 2012 *)
PROG
(Magma) [Floor((4*n+1/n)^n): n in [1..20]];
(PARI) a(n)=floor((4*n+1/n)^n) \\ Charles R Greathouse IV, Dec 27 2011
CROSSREFS
Cf. A014052.
Sequence in context: A079340 A268782 A282788 * A197977 A362679 A307932
KEYWORD
nonn,less
AUTHOR
Vincenzo Librandi, Oct 17 2011
STATUS
approved