607919

Appears in sequences

• Number of n X 4 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=6A201696
• Number of nX7 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=3A201699
• T(n,k)=Number of nXk 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=48A201700
• T(n,k)=Number of nXk 0..2 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards.at n=51A201700
• The sequence Q(10^n) arising in connection with the study of a generalized Benford's law for squarefree integer powers.at n=5A256218