133138720

Appears in sequences

• a(n) = C(n+3,3) * C(n+5,5).at n=21A105946
• a(n) = (1/(1!*2!*3!*4!))*Sum_{1 <= x_1, x_2, x_3, x_4 <= n} |det V(x_1,x_2,x_3,x_4)|, where V(x_1,x_2,x_3,x_4) is the Vandermonde matrix of order 4.at n=22A133111