-18244

Appears in sequences

• Coefficient array of numerator polynomials of o.g.f.s (rising powers) for the columns of triangle A008517 (second-order Eulerian numbers).at n=14A112692
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k * binomial(n-3*k,3*k).at n=28A348308