Publications
Publications
P.N. Phunphayap, T. Khemaratchatakumthorn, and P. Pongsriiam, Niven numbers and a unique property of 2023, The Mathematics Student, 93 (2024), 138 - 148
K. Onphaeng, T. Khemaratchatakumthorn, P.N. Phunphayap, and P. Pongsriiam, Exact formulas for the number of palindromes in certain arithmetic progressions, Journal of Integer Sequences, 27(4) (2004), Article 24.4.8.
P.N. Phunphayap and P. Pongsriiam, A complete comparison for the number of palindromes in different bases, AIMS Mathematics, 8(4) (2023), 9924 - 9932.
N. Phoopha, P. Pongsriiam, and P. Phunphayap, Digit maps, The Mathematical Gazette, 107(568) (2023), 35 - 43.
P.N. Phunphayap, T. Khemaratchatakumthorn, N. Sothanaphan, K. Onphaeng, W. Wongcharoenbhorn, P. Sumritnorrapong, and P. Pongsriiam, Combinatorial inequalities arising from the inclusion-exclusion principle, Journal of Mathematical Inequalities, 16(4) (2022), 1455 - 1475.
P.N. Phunphayap, P. Pongsriiam, and J. Shallit, Sumsets associated with Beatty sequences, Discrete Mathematics, 345(5) (2022), Article 112810.
P.N. Phunphayap and P. Pongsriiam, Divisibility of Fibonomial coefficients in terms of their digital representations, AIMS Mathematics, 7(4) (2022), 5314 - 5327.
A. Patra, G. K. Panda, K. Onphaeng, P. Phunphayap, and T. Khemaratchatakumthorn, Subsequences and exact divisibility by the powers of the balancing numbers, International Journal of Mathematics and Computer Science, 17 (2022), 611 - 617.
P. Phunphayap and P. Pongsriiam, Extremal orders and races between palindromes in different bases, AIMS Mathematics, 7(2) (2022), 2237 - 2254.
P. Phunphayap, T. Khemaratchatakumthorn, and P. Sumritnorrapong, Fibonacci and Lucas Numbers of Factorials and Factorials of Fibonacci and Lucas numbers, International Journal of Mathematics and Computer Science, 17(1) (2022), 11 - 19.
P. Phunphayap and P. Pongsriiam, Explicit formulas for the p-adic valuations of Fibonomial coefficients II, AIMS Mathematics, 5(6) (2020), 5685 - 5699.
P. Phunphayap and P. Pongsriiam, Reciprocal sum of palindromes, Journal of Integer Sequences, 22(8) (2019), Article 19.8.6.
P. Phunphayap and P. Pongsriiam, Explicit formulas for the p-adic valuations of Fibonomial coefficients, Journal of Integer Sequences, 21(3) (2018), Article 18.3.1.