456326325

Appears in sequences

• Denominator of n!!/(n+3)!!.at n=24A004733
• Coefficient of x^2 in 2n-th normalized Legendre polynomial.at n=12A100259
• Denominator the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=16.at n=13A145640
• Number of ways to choose 4 points in an n X n X n triangular grid.at n=22A234249