|
| |
|
|
A030223
|
|
Triangular polyominoes (n-iamonds) with bilateral symmetry (holes are allowed).
|
|
5
| |
|
|
1, 1, 1, 2, 2, 5, 5, 12, 13, 30, 36, 80, 97, 213, 266, 578, 737, 1589, 2051, 4408, 5747, 12333, 16213, 34737, 45979, 98367, 131007, 279902
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
