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A051490 a(n) = n^(n+2)*(n+2)^n. 1
0, 3, 256, 30375, 5308416, 1313046875, 440301256704, 193010051319183, 107374182400000000, 73994897046174912819, 61917364224000000000000, 61870237399093306018139447, 72790360926157879387298463744, 99617732553594016079725341796875 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..13.

MATHEMATICA

Table[(n-1)^(n+1)*(n+1)^(n-1), {n, 30}] (* Vladimir Joseph Stephan Orlovsky, Nov 20 2009 *)

CROSSREFS

Sequence in context: A027860 A059947 A203495 * A232545 A177748 A283018

Adjacent sequences:  A051487 A051488 A051489 * A051491 A051492 A051493

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified February 21 22:56 EST 2018. Contains 299427 sequences. (Running on oeis4.)