Number of fixed triangular n-ominoes of the regular tiling with Schläfli symbol {3,6} that have a common axis of symmetry coincident with cell altitudes and the point of the polyomino farthest along that axis in a specified direction is a cell vertex.
A364486
Number of fixed triangular n-ominoes of the regular tiling with Schläfli symbol {3,6} that have a common axis of symmetry coincident with cell altitudes and the point of the polyomino farthest along that axis in a specified direction is a cell vertex.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =5a(6) =5a(7) =13a(8) =13a(9) =32a(10) =36a(11) =85a(12) =98a(13) =226a(14) =270a(15) =610a(16) =754a(17) =1674a(18) =2111a(19) =4647a(20) =5945a(21) =13008a(22) =16843a(23) =36666a(24) =47931a(25) =103887a(26) =136971a(27) =295713a(28) =392856a(29) =845153
External references
- oeis: A364486