OFFSET
1,2
COMMENTS
Complement of A266214.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range@200, CoprimeQ[#, Numerator[Zeta[2 #]/Pi^(2 #)]] &]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, May 03 2016
STATUS
approved