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A168635 n^7*(n+1)/2. 0
0, 1, 192, 4374, 40960, 234375, 979776, 3294172, 9437184, 23914845, 55000000, 116923026, 232906752, 439239619, 790601280, 1366875000, 2281701376, 3693048057, 5816090304, 8938717390, 13440000000, 19811973951, 28685115712 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A183702 A174384 A209594 * A223421 A223375 A223214

Adjacent sequences:  A168632 A168633 A168634 * A168636 A168637 A168638

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 11 2009

STATUS

approved

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Last modified May 22 03:34 EDT 2013. Contains 225511 sequences.