OFFSET
1,3
REFERENCES
R. K. Guy, Unsolved Problems Number Theory, A17.
LINKS
Indranil Ghosh, Table of n, a(n) for n = 1..200
MATHEMATICA
Table[Numerator[(Sum[m^(n - 1), {m, n - 1}] + 1)/n], {n, 50}] (* Indranil Ghosh, May 17 2017 *)
PROG
(PARI) a(n) = numerator((sum(m=1, n - 1, m^(n - 1)) + 1)/n); \\ Indranil Ghosh, May 17 2017
(Python)
from sympy import Integer
def a(n): return ((sum(m**(n - 1) for m in range(1, n)) + 1)/Integer(n)).numerator() # Indranil Ghosh, May 17 2017
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Jun 11 2000
STATUS
approved