575296

Appears in sequences

• Coefficients of 1/sqrt(1-12*x+4*x^2); also, a(n) is the central coefficient of (1+6*x+8*x^2)^n.at n=6A084773
• A scaled Legendre triangle.at n=48A110124
• a(n) = 4^n * P(2*n, n), where P(n, x) is n-th Legendre polynomial.at n=3A349077