Number of n X 3 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.

A297333

Number of n X 3 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.

Terms

    a(0) =5a(1) =22a(2) =96a(3) =421a(4) =1847a(5) =8105a(6) =35568a(7) =156089a(8) =684994a(9) =3006088a(10) =13192185a(11) =57893767a(12) =254066201a(13) =1114966916a(14) =4893020877a(15) =21472971950a(16) =94233917248a(17) =413544579709

External references