a(n) = numerator(Voronoi(3, 2*n)) where Voronoi(c, n) = ((c^n - 1) * Bernoulli(n)) / (n * c^(n - 1)).

A371639

a(n) = numerator(Voronoi(3, 2*n)) where Voronoi(c, n) = ((c^n - 1) * Bernoulli(n)) / (n * c^(n - 1)).

Terms

    a(0) =2a(1) =-2a(2) =26a(3) =-82a(4) =1342a(5) =-100886a(6) =1195742a(7) =-57242642a(8) =31945440878a(9) =-276741323122

External references