Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235835
Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
Terms
- a(0) =3459a(1) =110923a(2) =3294824a(3) =87473420a(4) =2193348247a(5) =52199681720
External references
- oeis: A235835