Triangle: Number of directed site animals on a square lattice with n+1 total sites and k sites supported in one particular way.
A055898
Triangle: Number of directed site animals on a square lattice with n+1 total sites and k sites supported in one particular way.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =6a(8) =5a(9) =1a(10) =1a(11) =10a(12) =16a(13) =7a(14) =1a(15) =1a(16) =15a(17) =39a(18) =31a(19) =9a(20) =1a(21) =1a(22) =21a(23) =81a(24) =101a(25) =51a(26) =11a(27) =1a(28) =1a(29) =28
External references
- oeis: A055898