53300016

Appears in sequences

• a(n) = 7*(n+1)*binomial(n+3,7).at n=17A027792
• 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=20A133111