25326

Appears in sequences

• Number of n-covers of an unlabeled 5-set.at n=5A005771
• Number of 6-covers of an unlabeled n-set.at n=5A005786
• Numbers k whose decimal representation, read as a base-24 value and divided by k, yields an integer.at n=17A032579
• a(n) = floor((n^3)/2).at n=37A036487
• Triangle T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n.at n=60A055080
• Sums of members of groups in A076063.at n=36A076066
• Floor((Pentanacci ratio)^n).at n=14A125899
• Floor(1/{(8+n^4)^(1/4)}), where {}=fractional part.at n=36A184632
• Number of partitions p of n such that (number of even numbers in p) is a part of p.at n=40A241544
• a(n) = 4*n^3 - 6*n^2 + 3*n - 1.at n=18A268201
• Number T(n,k) of set partitions of [n] such that the maximal value of all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.at n=52A287416
• Number of rooted trees with n nodes such that three equals the maximal number of isomorphic subtrees extending from the same node.at n=12A318860