366848

Appears in sequences

• Number of (n+1) X (3+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=19A237632
• Number of subsets of {1..n} containing the product of any set of distinct elements whose product is <= n.at n=20A326081
• Numbers k such that k and k+1 have different (ordered) prime signatures and d_3(k) = d_3(k+1), where d_3 is A007425.at n=30A333057