Journal of Integer Sequences, Vol. 25 (2022), Article 22.2.5 |
Pinthira Tangsupphathawat
Department of Mathematics
Faculty of Science and Technology
Phranakhon Rajabhat University
Bangkok 10220
Thailand
Abstract:
Received October 27 2021; revised version received January 12 2022; February 2 2022. Published in Journal of Integer Sequences, February 2 2022.