Ian F. Blake. The Enumeration of Certain Run-Length Sequences. Inf. Comput., 55(1-3):222-236, October/November/December 1982.
@article{Blake82, title = {The Enumeration of Certain Run-Length Sequences}, author = {Ian F. Blake}, year = {1982}, month = {October/November/December}, researchr = {https://researchr.org/publication/Blake82}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {55}, number = {1-3}, pages = {222-236}, }