9904979domain: NAppears in sequencesNumbers k such that k^3 divides 6^(k^2) + 1.at n=11A128680Numbers k such that k^3 divides 13^(k^2) + 1.at n=10A177813Numbers k such that k^2 divides 6^k + 1.at n=10A292332Numbers k such that k^2 divides 13^k + 1.at n=7A292338