(MAGMAMagma) [Ceiling((4*n+1/n)^n): n in [1..20]]
(MAGMAMagma) [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
_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Oct 18 2011
editing
approved
Ceiling((4*n4n+1/n)^n).
(PARI) a(n)=ceil((4*n+1/n)^n) \\ Charles R Greathouse IV, Nov 21 2011
Cf. A014058.
nonn,less
approved
editing
proposed
approved
editing
proposed
Ceiling((4*n+1/n)^n rounded up).
proposed
editing
editing
proposed
allocated for Vincenzo Librandi
(4*n+1/n)^n rounded up.
5, 73, 1877, 69730, 3363233, 199205127, 13982257729, 1134344816185, 104416147080712, 10750872867074587, 1224163955433850944, 152733676280699540999, 20719969553916698313305, 3036565789908881887393114, 478082645334119488823777215, 80475210949356295594385157621
1,1
Vincenzo Librandi, <a href="/A197764/b197764.txt">Table of n, a(n) for n = 1..300</a>
(MAGMA) [Ceiling((4*n+1/n)^n): n in [1..20]]
Cf. A014058
allocated
nonn
Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 18 2011
approved
editing