Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302809
Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =169a(3) =934a(4) =5117a(5) =28128a(6) =154494a(7) =848519a(8) =4660562a(9) =25597855a(10) =140595667a(11) =772217905a(12) =4241385457a(13) =23295695745a(14) =127950975583a(15) =702767266506
External references
- oeis: A302809