Number of n X 6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 3 or 6 neighboring 1s.
A296552
Number of n X 6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 3 or 6 neighboring 1s.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =10a(4) =18a(5) =32a(6) =62a(7) =118a(8) =227a(9) =439a(10) =839a(11) =1592a(12) =3037a(13) =5823a(14) =11144a(15) =21287a(16) =40672a(17) =77755a(18) =148635a(19) =284114a(20) =543117a(21) =1038203a(22) =1984469a(23) =3793276a(24) =7251035a(25) =13860645a(26) =26494780a(27) =50645098a(28) =96809194a(29) =185052813
External references
- oeis: A296552