Number of n X 7 binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent.
A163690
Number of n X 7 binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent.
Terms
- a(0) =1a(1) =32a(2) =375a(3) =3107a(4) =21608a(5) =132950a(6) =809249a(7) =5091285a(8) =32564048a(9) =205244426a(10) =1260946855a(11) =7592242444a(12) =45171267768a(13) =266725138944
External references
- oeis: A163690