A051490 a(n) = n^(n+2)*(n+2)^n.

0, 3, 256, 30375, 5308416, 1313046875, 440301256704, 193010051319183, 107374182400000000, 73994897046174912819, 61917364224000000000000, 61870237399093306018139447, 72790360926157879387298463744, 99617732553594016079725341796875

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Programs

Mathematica

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