809380

Appears in sequences

• Tenth column (m=9) of convolution triangle A059594(n,m).at n=10A059598
• Numbers whose square can be written as sum of at least 3 consecutive triangular numbers in two ways.at n=13A256000
• Number of nonnegative integer solutions to n = Sum_{i=1..n} (a_i + b_i), with b_i even.at n=10A348410
• Square array read by ascending antidiagonals: T(n,k) = 1/n * [x^k] 1/((1 - x)*(1 - x^2))^(n*k) for n, k >= 1.at n=54A363419