53203

Appears in sequences

• Number of partitions of n such that the number of even parts is a part or the number of odd parts is a part.at n=45A240576
• Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_7)^2 <= n.at n=14A341396
• a(n) = Sum_{k=0..floor(n/2)} binomial(n,k) * binomial(n-k,k)^2.at n=9A383524