Number of nX3 binary arrays with all 1s connected and a path of 1s from left column to lower right corner.
A163020
Number of nX3 binary arrays with all 1s connected and a path of 1s from left column to lower right corner.
Terms
- a(0) =1a(1) =12a(2) =82a(3) =469a(4) =2502a(5) =12966a(6) =66325a(7) =337222a(8) =1709652a(9) =8655795a(10) =43794966a(11) =221516992a(12) =1120277983a(13) =5665183308a(14) =28647552996a(15) =144861882889a(16) =732516467528
External references
- oeis: A163020