3759074domain: NAppears in sequencesExpansion of (1+3*x)/(1-x)^10.at n=15A055843Tenth column (m=9) of (1,6)-Pascal triangle A096956.at n=15A097300a(n) = (1/(n+1)) * Sum_{k=0..n} k^3 * (k+1) * binomial(2*n-k,n-k).at n=11A390966