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A168636 n^7*(n^2+1)/2. 0
0, 1, 320, 10935, 139264, 1015625, 5178816, 20588575, 68157440, 196101729, 505000000, 1188717431, 2597806080, 5333623945, 10383230144, 19307109375, 34493956096, 59499107585, 99485755200, 161790784759, 256640000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Sequence in context: A121010 A110289 A055863 * A045813 A121011 A174778

Adjacent sequences:  A168633 A168634 A168635 * A168637 A168638 A168639

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 11 2009

STATUS

approved

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Last modified May 23 16:49 EDT 2013. Contains 225610 sequences.