Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.
A196741
Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =3a(2) =20a(3) =71a(4) =282a(5) =1144a(6) =4559a(7) =18153a(8) =72678a(9) =290202a(10) =1158957a(11) =4630454a(12) =18496588a(13) =73884837a(14) =295148260a(15) =1179007713a(16) =4709690448a(17) =18813523020a(18) =75153147188a(19) =300209266280
External references
- oeis: A196741