108425318400
domain: N
Appears in sequences
- Number of palindromic paths through the subset array of {1,2,...,n}; see Comments.at n=7A208654
- Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=16A237368