8002304
domain: N
Appears in sequences
- Number of nX4 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=4A201977
- Number of n X 5 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=3A201978
- T(n,k)=Number of nXk 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=31A201981
- T(n,k)=Number of nXk 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=32A201981