195709

Properties

Appears in sequences

• Array read by antidiagonals upwards: h(n,k) = number of sequences with n copies each of 1,2,...,k and longest increasing subsequence of length k (n>=1, k>=1).at n=18A047909
• Number of words on {1,1,1,2,2,2,...,n,n,n} with longest increasing subsequence of length n.at n=4A047910
• Number of sequences with n copies each of 1,2,3,4 and longest increasing subsequence of length 4.at n=2A268840
• Prime numbersat n=17630