Annouk, I., & Archambault, P. (2020). An Original note on Fermat numbers, on numbers of the form Wn and on numbers of the form 10k + 8 + Fn [ where Wn ∈ {22 + Fn, 2 n + Fn}, n is an integer ≥ 0, Fn is a Fermat number and k is an integer ≥ 0]. Journal of Progressive Research in Mathematics, 16(4), 3177-3181. Retrieved from http://scitecresearch.com/journals/index.php/jprm/article/view/1870