302730

Appears in sequences

• a(n)=2*3^n - 18*4^n + 24*5^n.at n=6A091433
• Number of permutations of 1..n with i-7<=p(i)<=i+4.at n=9A179346
• Triangle T(n,k) in which row n lists in increasing order the number of acyclic orientations of complete multipartite graphs K_lambda, where lambda is a partition of n into distinct parts; triangle T(n,k), n>=0, k = 1..A000009(n), read by rows.at n=39A370614