Number of nX3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
A297602
Number of nX3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
Terms
- a(0) =7a(1) =35a(2) =181a(3) =953a(4) =4997a(5) =26155a(6) =137033a(7) =717905a(8) =3760657a(9) =19700359a(10) =103201589a(11) =540625665a(12) =2832090849a(13) =14836035579a(14) =77719229889a(15) =407135626281
External references
- oeis: A297602