-57120

Appears in sequences

• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt((1-(k+4)*x+sqrt(1+2*(k-4)*x+((k+4)*x)^2)) / (2 * (1+2*(k-4)*x+((k+4)*x)^2))).at n=52A337419
• Expansion of sqrt((1-6*x+sqrt(1-4*x+36*x^2)) / (2 * (1-4*x+36*x^2))).at n=7A337421
• Expansion of (1/x) * Series_Reversion( x * (1/(1-x^4) - x) ).at n=14A370841