930564
domain: N
Appears in sequences
- Number of n X n 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=4A201694
- Number of nX5 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=4A201697
- T(n,k)=Number of nXk 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=40A201700