64324260

Appears in sequences

• Coefficients of Bessel polynomials y_n (x).at n=6A001881
• Triangular table of coefficients of Laguerre-Sonin polynomials n!*2^n*Lag(n,x/2,1/2) of order 1/2.at n=38A130757
• Triangle, read by rows, of Lambert's numerator polynomials related to convergents of tan(x).at n=59A334824
• a(n) = n! * 2^(-n) * binomial(3*n - 1, 2*n) * binomial(2*n, n). Central terms of the Bessel triangle A132062.at n=6A376872