Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301446
Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =108a(2) =1008a(3) =9541a(4) =91370a(5) =877044a(6) =8414314a(7) =80726964a(8) =774477323a(9) =7430228709a(10) =71284529536a(11) =683893628760
External references
- oeis: A301446