-3045

Appears in sequences

• Coefficients of a special case of Poisson-Charlier polynomials. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=32A137346
• E.g.f.: exp(Sum_{n>=1} A081362(n)*x^n/n).at n=7A294340
• a(n) = Sum_{i=1..n} i^2*(-1)^ceiling(sqrt(i)).at n=24A392677