116203domain: NAppears in sequencesNumbers n such that 12*n^2 + 13 is a square.at n=9A106256Values of x satisfying x^2 = floor(y^2/3 + y).at n=14A232771Triangle read by rows: T(n,k) = number of connected quartic graphs on n vertices with crossing number k for n >= 1, k >= 0.at n=63A390644