From higher-order Bernoulli numbers: absolute value of numerator of D-number D2n(2n-1).

A001905

From higher-order Bernoulli numbers: absolute value of numerator of D-number D2n(2n-1).

Terms

    a(0) =1a(1) =17a(2) =1835a(3) =195013a(4) =3887409a(5) =58621671097a(6) =327585142651

External references