Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300497
Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =1063a(2) =3699a(3) =14822a(4) =66166a(5) =291721a(6) =1296506a(7) =5589526a(8) =24694845a(9) =110652439a(10) =496922595a(11) =2235496431a(12) =10093633015a(13) =45708631844a(14) =207362510529a(15) =942134125486
External references
- oeis: A300497