1890945domain: NAppears in sequencesNumbers that set records for number of divisors of n(n-1).at n=40A192488Numbers that have exactly 9 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.at n=24A321159Smallest k such that A349949(k) = n, or -1 if no such k exists.at n=15A350654