2571976

Appears in sequences

• a(n) = n^2*(n^3-n+2)/2.at n=22A101377
• Number of (n+1)X(2+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=2A235822
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=8A235824
• Number of (3+1)X(n+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=1A235826