-30400

Appears in sequences

• Square array T(n,k), n >= 0, k >= 0, read by descending antidiagonals, where column k is the expansion of (1 - (k-3)*x)/(1 - 2*(k-1)*x + ((k-3)*x)^2)^(3/2).at n=54A331511
• Expansion of (1 + 3*x)/(1 + 2*x + 9*x^2)^(3/2).at n=9A331551