Number of nX3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
A296594
Number of nX3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
Terms
- a(0) =4a(1) =39a(2) =228a(3) =1441a(4) =9194a(5) =58251a(6) =370000a(7) =2348956a(8) =14911425a(9) =94666856a(10) =600990310a(11) =3815376381a(12) =24221881145a(13) =153772297152a(14) =976221544080
External references
- oeis: A296594