4816030

Appears in sequences

• Central decanomial coefficients: largest coefficient of (1 + x + ... + x^9)^n.at n=8A025015
• The Lucky Tickets Problem.at n=4A174061
• Number of n-digits integers for which the sum of the odd-positioned digits equals the sum of the even-positioned digits.at n=7A197357
• 151*n^7/315+2*n^5/9+7*n^3/45+n/7.at n=10A229735
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2*j-1) + x_j^(-(2*j-1)) )^(2*n).at n=49A329020