Hugh C. Williams, Richard K. Guy. Odd and Even Linear Divisibility Sequences of Order 4. Integers, 15, 2015. [doi]
@article{WilliamsG15-0, title = {Odd and Even Linear Divisibility Sequences of Order 4}, author = {Hugh C. Williams and Richard K. Guy}, year = {2015}, url = {http://math.colgate.edu/~integers/p33/p33.Abstract.html}, researchr = {https://researchr.org/publication/WilliamsG15-0}, cites = {0}, citedby = {0}, journal = {Integers}, volume = {15}, }