OFFSET
1,1
COMMENTS
a(0) is 0^(-1) = 1/0, which is undefined.
FORMULA
Sum_{n>=1} 1/a(n) = A338167. - Amiram Eldar, Nov 29 2020
MATHEMATICA
Table[(2*n)^(2*n - 1), {n, 20}] (* T. D. Noe, Feb 26 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 05 2003
STATUS
approved