A362999 a(n) = denominator(R(2*n + 1, 2*n + 1, 1)) where R(n, k, x) = Sum_{u=0..k} ( Sum_{j=0..u} x^j * binomial(u, j) * (j + 1)^n ) / (u + 1).

2, 3, 15, 105, 315, 3465, 45045, 9009, 153153, 14549535, 14549535, 19684665, 1673196525, 5019589575, 145568097675, 4512611027925, 4512611027925, 4512611027925, 166966608033225, 316824683175, 6845630929362225, 294362129962575675, 294362129962575675, 13835020108241056725

Offset: 0

Author

Peter Luschny, May 12 2023

Keywords

• nonn
• frac

Comments

See A363000 for a discussion of the polynomials.

Crossrefs

Cf. A363001 (all denominators), A363000.

Programs

Maple

# See A363000 for a program.