OFFSET
2,1
COMMENTS
LINKS
FORMULA
a(n) = numerator(r(n)), with rational r(n) := (Sum_{k=1..n-1} 1/k^n) + 1/((n-1)*(n-1)!), n >= 2, written in lowest terms. For n*n! see A001563(n).
EXAMPLE
The positive rationals r(n), n >= 2: 2/1, 11/8, 1465/1296, 260467/248832, 47541136609/46656000000, ...
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
Wolfdieter Lang, Jun 11 2004
STATUS
approved