-5989domain: ZAppears in sequencesInverse binomial transform of A156616.at n=16A294505Expansion of Product_{k>=1} (1 - x^k)^(k*(k+1)*(2*k+1)/6).at n=11A319757a(n) = Sum_{k=0..floor(n/3)} (-1)^k * (n-k)!/(k! * (n-3*k)!).at n=12A358613