106800

Appears in sequences

• a(n) = 3rd elementary symmetric function of the first n+2 odd positive integers.at n=7A024197
• a(n) = n^2*(2*n^2 + 1)/3.at n=20A071270
• Number of ordered quadruples (i,j,k,l) in range [0..n] satisfying i == j (mod 2), j == k (mod 3) and k == l (mod 4).at n=39A115523
• Number of arrays of 2n nondecreasing integers in -3..3 with sum zero and equal numbers greater than zero and less than zero.at n=37A203286
• Irregular triangle read by rows: coefficients of polynomials arising in calculation of squares of certain web-coloring matrices.at n=31A281351