1007760

Appears in sequences

• n*(n-1)*(n-2)*(n-3)*(n-4)*(2*n-1)/72.at n=20A055504
• a(n) = A081537(n)/A081535(n), with a(2) = 1 by convention.at n=20A081538
• a(n) = floor(lcm(1,2,...n)/(1+2+...+n)).at n=20A109922
• Absolute value of coefficient of term [x^(n-6)] in characteristic polynomial of maximum matrix A of size n X n, where n >= 6. Maximum matrix A(i,j) is MAX(i,j), where indices i and j run from 1 to n.at n=8A112462