Let n and p be two nonnegative integers and put $N(n,p)=\Big \lfloor \sqrt p\lfloor n(\sqrt p +p) \rfloor \Big\rfloor$. $N(n,p)$ is not necessarily even when p is even [see] But it's seems that $N(n,2)$ is even forall n. It's true ?
Let n and p be two nonnegative integers and put $N(n,p)=\Big \lfloor \sqrt p\lfloor n(\sqrt p +p) \rfloor \Big\rfloor$.
$N(n,p)$ is not necessarily even when p is even [see]
But it's seems that $N(n,2)$ is even forall n. It's true ?
