Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318042
Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =6a(2) =86a(3) =905a(4) =10563a(5) =116212a(6) =1304057a(7) =14683085a(8) =165135266a(9) =1856998899a(10) =20884326520a(11) =234874162302
External references
- oeis: A318042