a(n) = numerator(R(n, n, 1)), where R are the rational polynomials R(n, k, x) = Sum_{u=0..k} ( Sum_{j=0..u} x^j * binomial(u, j) * (j + 1)^n ) / (u + 1).

A363000

a(n) = numerator(R(n, n, 1)), where R are the rational polynomials R(n, k, x) = Sum_{u=0..k} ( Sum_{j=0..u} x^j * binomial(u, j) * (j + 1)^n ) / (u + 1).

Terms

    a(0) =1a(1) =5a(2) =19a(3) =188a(4) =1249a(5) =125744a(6) =283517a(7) =303923456a(8) =138604561a(9) =599865008128a(10) =118159023973

External references