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A090205 n^n * (n+1)^(n+1). 3
4, 108, 6912, 800000, 145800000, 38423222208, 13816758796288, 6499837226778624, 3874204890000000000, 2853116706110000000000, 2543867514227405321404416, 2700464873652770753916960768 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

I was made aware of this sequence by M. Frazer.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

a(4) = 4^4 * 5^5 = 256 * 3125 = 800000

MATHEMATICA

Table[n^n (n+1)^(n+1), {n, 20}] (* Harvey P. Dale, May 29 2016 *)

PROG

(Maxima) A090205[n]:=n^n*(n+1)^(n+1)$ makelist(A090205[n], n, 1, 30); /* Martin Ettl, Oct 29 2012 */

CROSSREFS

Sequence in context: A131092 A123056 A024263 * A061464 A107048 A269187

Adjacent sequences:  A090202 A090203 A090204 * A090206 A090207 A090208

KEYWORD

easy,nonn

AUTHOR

Philip Newton, Jan 22 2004

STATUS

approved

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Last modified September 29 07:08 EDT 2020. Contains 337425 sequences. (Running on oeis4.)