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.

A084773

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.

Terms

    a(0) =1a(1) =6a(2) =52a(3) =504a(4) =5136a(5) =53856a(6) =575296a(7) =6225792a(8) =68026624a(9) =748832256a(10) =8291791872a(11) =92255680512

External references