Numbers k such that the k-th triangular number mod sopfr(k), and the k-th triangular number mod sigma(k), are the same prime
trizen9ae1b074ddnew file: oeis-research/J. M. Bergot/Numbers k such that the k-th triangular number mod sopfr(k), and the k-th triangular number mod sigma(k), are the same prime/prog.pl
9ae1b074dd
new file: oeis-research/J. M. Bergot/Numbers k such that the k-th triangular number mod sopfr(k), and the k-th triangular number mod sigma(k), are the same prime/prog.pl
trizen
9ae1b074dd
new file: oeis-research/J. M. Bergot/Numbers k such that the k-th triangular number mod sopfr(k), and the k-th triangular number mod sigma(k), are the same prime/prog.pl