-985

Appears in sequences

• a(n) = -(n + 1)*(2*n^2 + n - 12)/6.at n=14A058372
• Expansion of 2+(1-2*x)/(-1+2*x+x^2).at n=10A176981
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 197", based on the 5-celled von Neumann neighborhood.at n=19A270719
• Partial sums of F(1) - L(1) + F(2) - L(2) + F(3) - L(3) + ..., where F = A000045 and L = A000032.at n=30A355018
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (-1)^floor((k+1)/2) * A099927(n,k).at n=46A383715