Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301438
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =232a(3) =1708a(4) =12576a(5) =92616a(6) =682084a(7) =5023328a(8) =36995208a(9) =272457932a(10) =2006565984a(11) =14777720104a(12) =108833207236a(13) =801521947552
External references
- oeis: A301438