Number of nX7 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300379
Number of nX7 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =74a(2) =131a(3) =692a(4) =6577a(5) =53367a(6) =481311a(7) =4070089a(8) =36505624a(9) =319929622a(10) =2837476138a(11) =25246596055a(12) =223898861023
External references
- oeis: A300379