125361

Appears in sequences

• a(n) = (n+2)*a(n-1) + (-1)^n.at n=7A006348
• a(n) = Sum_{k=1..n} J_4(k)/240.at n=38A115003
• Number of nX5 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=15A280856
• Triangle read by rows: T(n,k) = n * T(n-1,k) + (-1)^(n-k) for 0 <= k <= n with initial values T(n,k) = 0 if n < 0 or k < 0 or k > n.at n=59A352650