OFFSET
1,2
FORMULA
a(n) = ((n+1)^(n^2) - 1)/n^3.
MATHEMATICA
Table[ ((n + 1)^(n^2) - 1)/n^3, {n, 1, 10} ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexander Adamchuk, Jan 31 2008
STATUS
approved