95140

Appears in sequences

• G.f.: A(x) = exp( Sum_{n>=1} sigma(n)*A000204(n)*x^n/n ).at n=14A156234
• Triangle read by rows. T(n, k) = 2 * Eulerian(n, k - 1) - binomial(n - 1, k - 1)* binomial(n, k - 1) / k.at n=47A174159
• Triangle read by rows. T(n, k) = 2 * Eulerian(n, k - 1) - binomial(n - 1, k - 1)* binomial(n, k - 1) / k.at n=52A174159
• Number of -n..n arrays x(0..3) of 4 elements with zero sum and no two neighbors equal.at n=25A199706
• Number of strings of length n in {2,3}* for which at least one of tail(2 S) > tail(S) and tail(3 S) > tail(S) holds.at n=34A217437
• The number of distinct lines defined by an n X n X n grid of points.at n=6A222267
• Number of solid standard Young tableaux of n cells and height <= 4.at n=9A320181