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A253604 a(n) = (n^(n-1)+1)^n. 1

%I

%S 2,9,1000,17850625,96132816409376,221244556300694143783489,

%T 311992044873796240380263281250000000,

%U 374145846406785831860102174312003089603054492712961,507528892168086660506357001295247426244187377081938096246553087918592

%N a(n) = (n^(n-1)+1)^n.

%F a(n) = (n^(n-1)+1)^n = (n^n+n)^n/n^n.

%e For n=2 a(2)=(2^(2-1)+1)^2=(2+1)^2=9.

%t a253604[n_] := Block[{f}, f[x_] := (x^(x - 1) + 1)^x; Array[f, n]]; a253604[9] (* _Michael De Vlieger_, Jan 06 2015 *)

%t Table[(n^(n-1)+1)^n,{n,9}] (* _Harvey P. Dale_, Nov 27 2018 *)

%K nonn

%O 1,1

%A _Abhik Sarkar_, Jan 05 2015

%E Corrected by _Harvey P. Dale_, Nov 27 2018

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Last modified September 30 11:58 EDT 2022. Contains 357105 sequences. (Running on oeis4.)