Denominator of the rational part of the sum of reciprocals of even powers of even numbers, i.e., Sum_{k>=1} 1/(2*k)^(2*n).

A276595

Denominator of the rational part of the sum of reciprocals of even powers of even numbers, i.e., Sum_{k>=1} 1/(2*k)^(2*n).

Terms

    a(0) =24a(1) =1440a(2) =60480a(3) =2419200a(4) =95800320a(6) =149448499200

External references