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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
OFFSET
1,1
LINKS
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
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 20 2011
STATUS
approved