Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
A222698
Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =62a(4) =159a(5) =955a(6) =2609a(7) =15700a(8) =43653a(9) =265172a(10) =745702a(11) =4553731a(12) =12909315a(13) =79185348a(14) =225776986a(15) =1389425900a(16) =3979529099a(17) =24552464694a(18) =70573224611a(19) =436307645895
External references
- oeis: A222698