Number of (n+2)X(1+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column.
A250497
Number of (n+2)X(1+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column.
Terms
- a(0) =512a(1) =2744a(2) =13824a(3) =68921a(4) =314432a(5) =1367631a(6) =5832000a(7) =24137569a(8) =97336000a(9) =385828352a(10) =1505060136a(11) =5783534875a(12) =21952000000a(13) =82426462208a(14) =306454670488
External references
- oeis: A250497