38854

Appears in sequences

• a(n) = 2*(3^n) - 2^n.at n=9A027649
• Frobenius number of the numerical semigroup generated by three consecutive pentagonal numbers.at n=18A069757
• Number of permutations of {1,2,3,...,n} where, for 1 < i <= n, the i-th number has maximized sum of the i-1 absolute differences from all previous numbers of the permutation.at n=18A095698
• a(n) = A121295(n) - A121263(n).at n=19A131011
• Number of permutations of 1..n with i-9<=p(i)<=i+2.at n=10A179355
• Triangular array: the fission of (p(n,x)) by ((2x+1)^n), where p(n,x)=(x+1)^n.at n=42A193856
• Mirror of the triangle A193856.at n=38A193857
• Poly-Bernoulli numbers B_n^(k) with k = -9.at n=2A284033
• 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=45A370614