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A253604 a(n) = (n^(n-1)+1)^n. 1
2, 9, 1000, 17850625, 96132816409376, 221244556300694143783489, 311992044873796240380263281250000000, 374145846406785831860102174312003089603054492712961, 507528892168086660506357001295247426244187377081938096246553087918592 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

FORMULA

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

EXAMPLE

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

MATHEMATICA

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

Table[(n^(n-1)+1)^n, {n, 9}] (* Harvey P. Dale, Nov 27 2018 *)

CROSSREFS

Sequence in context: A112961 A114953 A252583 * A067691 A062840 A024226

Adjacent sequences:  A253601 A253602 A253603 * A253605 A253606 A253607

KEYWORD

nonn

AUTHOR

Abhik Sarkar, Jan 05 2015

EXTENSIONS

Corrected by Harvey P. Dale, Nov 27 2018

STATUS

approved

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Last modified August 19 21:19 EDT 2019. Contains 326133 sequences. (Running on oeis4.)