Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302526
Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =45a(2) =290a(3) =1977a(4) =23909a(5) =182773a(6) =1551340a(7) =18089458a(8) =155010391a(9) =1441103898a(10) =14993036510a(11) =137595549895
External references
- oeis: A302526