50048

Appears in sequences

• Triangle of coefficients of expansions of powers of x in terms of Legendre polynomials P_n(x) over common denominator.at n=46A008317
• Number of standard Young tableaux of shape [3n,3].at n=22A215543
• Expansion of e.g.f. (sec(x) + tan(x))*exp(-x)/(1 - x).at n=8A307594
• Expansion of Product_{i>=1, j>=1} theta_3(x^(i*j))/theta_4(x^(i*j)), where theta_() is the Jacobi theta function.at n=10A308288
• Smallest k such that the k-th tetrahedral number is divisible by exactly n tetrahedral numbers.at n=36A342808