-2925

Appears in sequences

• a(n) = (17 - 2*n)*n^2.at n=15A015234
• Row sums of the Eta triangle A160464.at n=3A160466
• If n = Product (p_j^k_j) then a(n) = Product ((-1)^k_j * binomial(n, k_j)).at n=26A341837
• a(1) = 1; a(n) = Sum_{k=2..n} (-1)^k * k^2 * a(floor(n/k)).at n=25A361981
• a(1) = 1; a(n) = Sum_{k=2..n} (-1)^k * k^2 * a(floor(n/k)).at n=26A361981