Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
A253405
Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
Terms
- a(0) =646240a(1) =638602a(2) =1489310a(3) =7437150a(4) =30756372a(5) =196170260a(6) =954233428a(7) =4184013494a(8) =23948788480a(9) =123736222078a(10) =533052293254
External references
- oeis: A253405