130378950

Appears in sequences

• Expansion of 1/(1-4*x)^(13/2).at n=8A020924
• a(n) = (7*n)!*(3/2*n)!/((7*n/2)!*(3*n)!*(2*n)!).at n=4A276098
• Square array read by ascending antidiagonals: T(n,k) = [x^(2*k)] ( (1 + x)^(n+2)/(1 - x)^(n-2) )^k for n, k >= 0.at n=49A364518