Primes and polygonal numbers

Soumya Bhattacharya, Habibur Rahaman

A linear combination $a{T}_r(m)+b{T}_s(n)$ of an \mbox{$r$-gonal} number $T_r(m)$ and an $s$-gonal number $T_s(n)$ with mutually coprime positive integer coefficients $a$ and $b$ produ…