396704

Appears in sequences

• Triangle T(n,k) read by rows: (1/n) * C(2n+k,k-1) * C(n,k); n, k >= 1.at n=41A102537
• Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 2.at n=21A242500
• Triangle read by rows: the reversed x = 1+q Narayana triangle at m=2.at n=39A243662
• a(n) = n*(3*n^4 + 15*n^3 + 25*n^2 - 15*n - 28)/60.at n=23A365373