-2478

Appears in sequences

• Expansion of 1/(1+2*x^2-x^3).at n=20A077965
• Expansion of 1/(1+2*x^2+x^3).at n=20A077967
• a(n) = -n^2 - n + 72.at n=50A110678
• Coefficients of Laguerre recursive polynomials with an (n+2)!/2 multiplication factor and alpha=a0 =0 from Hochstadt: P(x, n) = (2*n + a0 + 1 - x)*P(x, n - 1)/(n + 1) - n*P(x, n - 2)/(n + 1);.at n=18A136533
• Triangle T(n,k) = n!/(n - k)! + n!/k! - n! read by rows, 0 <= k <= n.at n=30A177974
• Triangle T(n,k) = n!/(n - k)! + n!/k! - n! read by rows, 0 <= k <= n.at n=33A177974