Markus Vöge, Anthony J. Guttmann. On the number of hexagonal polyominoes. Theoretical Computer Science, 307(2):433-453, 2003. [doi]
@article{VogeG03, title = {On the number of hexagonal polyominoes}, author = {Markus Vöge and Anthony J. Guttmann}, year = {2003}, doi = {10.1016/S0304-3975(03)00229-9}, url = {http://dx.doi.org/10.1016/S0304-3975(03)00229-9}, researchr = {https://researchr.org/publication/VogeG03}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {307}, number = {2}, pages = {433-453}, }