50315

Appears in sequences

• Numerators of continued fraction convergents to sqrt(490).at n=7A041934
• Imbalance of the sum of largest parts of all partitions of n.at n=40A194809
• Number of n-element unlabeled connected N-free posets.at n=9A202180
• Number of button presses required to try every combination of a binary combination lock with n number buttons.at n=13A247374
• Triangle read by rows: T(n,k) is the number of n-element unlabeled N-free posets with k connected components.at n=45A350783
• a(n) is the number of positive integers k for which Sum_{i=1..j} (p_i+e_i) = n, where p_1^e_1*...*p_j^e_j is the prime factorization of k.at n=47A382330
• a(n) = n*(n + 1)*(n^2 + 17*n + 54)/24.at n=29A387204