33405

Appears in sequences

• Quadruples of different integers from [ 1,n ] with no common factors between triples.at n=34A015625
• Partial sums of the tricapped prism numbers A005920.at n=16A187673
• Number of strings of length n over a 5-letter alphabet that begin with a nontrivial palindrome.at n=7A249638
• Product of n and the total number of parts in all partitions of n. Also, product of n and the sum of largest parts of all partitions of n.at n=17A256010
• Number of nX2 0..1 arrays with every element unequal to 0, 1 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=20A317767
• Number of partitions of n with exactly three sorts of part 1 which are introduced in ascending order.at n=8A320816
• Table read by upward antidiagonals: T(n,k) is the number of strings of length k over an n-letter alphabet that begin with a palindrome of two or more letters; n, k >= 1.at n=61A342237