45875domain: NAppears in sequencesIndices of last windows of trapezoidal maps.at n=16A007873Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 37 ones.at n=11A031805a(n)=-a(n-1)+2a(n-3).at n=30A137426Maximum number of induced copies of the claw graph K_{1,3} in an n-node graph.at n=39A352666