-19152

Appears in sequences

• Triangle read by rows: T(0,0) = 1; T(n,k) = 2 T(n-1,k) - 3 T(n-1,k-1) + T(n-1,k-2) for k = 0..2n; T(n,k)=0 for n or k < 0.at n=52A318685
• a(n) = n^3 * Sum_{d|n} (-1)^(n/d + 1) * mu(d) / d^3.at n=27A338548
• Irregular triangle of numerator polynomial coefficients of C({1..n},x), T(n,k) for n >= 0 and k >= A000217(n).at n=48A376117