-6434

Appears in sequences

• a(n) = 2*a(n-1) - 3*a(n-2) + 2*a(n-3) with a(0) = 1, a(1) = 5, a(2) = 6.at n=24A105577
• Alternating row sums of A257241, Stifel's version of the arithmetical triangle.at n=15A258144
• a(n) = Sum_{k=0..floor(n/8)} (-1)^k*binomial(n,8*k).at n=15A307044
• Coefficient of x of the OmegaPolynomials (A318146), T(n, k) = [x] P(n, k) with n>=1 and k>=0, square array read by ascending antidiagonals.at n=47A318253