Number of nX3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A296583
Number of nX3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =5a(1) =22a(2) =83a(3) =346a(4) =1465a(5) =6241a(6) =26895a(7) =116541a(8) =507102a(9) =2212212a(10) =9668284a(11) =42302733a(12) =185232946a(13) =811492755a(14) =3556247878a(15) =15588051447a(16) =68336370049a(17) =299606590345
External references
- oeis: A296583