Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301397
Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =9a(2) =44a(3) =446a(4) =4857a(5) =49325a(6) =521514a(7) =5457161a(8) =57311190a(9) =601654211a(10) =6316448607a(11) =66317193844a(12) =696258824443
External references
- oeis: A301397