226974domain: NAppears in sequencesAreas of almost-equilateral Heronian triangles (integral side lengths m-1, m, m+1 and integral area).at n=5A011945Numerators of continued fraction convergents to sqrt(3)/2.at n=10A144535Values of x satisfying x^2 = floor(y^2/3 + y).at n=15A232771