85527

Appears in sequences

• a(n) = n*(n-1)*(n^2 + 2)/6.at n=27A071244
• a(n) = 100*n^2 - 151*n + 57.at n=29A157626
• The number of ways to color the vertices of all (11) simple unlabeled graphs on 4 nodes using at most n colors.at n=12A199394
• a(n) = Sum_{k=0..floor(2*n/5)} binomial(k+2,2) * binomial(k,2*n-5*k).at n=33A392270
• a(n) = Sum_{k=0..floor(3*n/5)} binomial(k+2,2) * binomial(k,3*n-5*k).at n=22A392314