OFFSET
1,3
EXAMPLE
a(3) = 513 because 3^(2*3) - (2*3)^3 = 3^6 - 6^3 = 513.
MATHEMATICA
a[n_] := n^n(n^n - 2^n); Table[a[n], {n, 13}] (* Robert G. Wilson v, May 24 2004 *)
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Gregory S. Thoman (fealuinix(AT)yahoo.com), May 18 2004
EXTENSIONS
More terms from Emeric Deutsch, Robert G. Wilson v and Pab Ter (pabrlos(AT)yahoo.com), May 24 2004
STATUS
approved