13075441503domain: NAppears in sequencesNumbers k such that A081249(m)/m^2 has a local minimum for m = k.at n=21A081250a(n) = 2*a(n-1) + 3*a(n-2), with a(0) = 2 and a(1) = 3.at n=21A135522a(n) = a(n-1) + 9*a(n-2) - 9*a(n-3), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 33.at n=21A297444