Number of nX6 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.
A301398
Number of nX6 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) =19a(2) =156a(3) =2619a(4) =49325a(5) =885003a(6) =16325745a(7) =299552320a(8) =5507220522a(9) =101241811692
External references
- oeis: A301398