OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
MATHEMATICA
Denominator[EulerE[Range[0, 20], 1/21]] (* Harvey P. Dale, Apr 21 2013 *)
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Nov 07 2009
STATUS
approved