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A197764
Ceiling((4n+1/n)^n).
6
5, 73, 1877, 69730, 3363233, 199205127, 13982257729, 1134344816185, 104416147080712, 10750872867074587, 1224163955433850944, 152733676280699540999, 20719969553916698313305, 3036565789908881887393114, 478082645334119488823777215, 80475210949356295594385157621
OFFSET
1,1
LINKS
PROG
(Magma) [Ceiling((4*n+1/n)^n): n in [1..20]]
(PARI) a(n)=ceil((4*n+1/n)^n) \\ Charles R Greathouse IV, Nov 21 2011
CROSSREFS
Cf. A014058.
Sequence in context: A213111 A368443 A062440 * A126748 A276965 A217567
KEYWORD
nonn,less
AUTHOR
Vincenzo Librandi, Oct 18 2011
STATUS
approved