1124760domain: NAppears in sequencesa(n) = lcm(3n+1, 3n+2, 3n+3).at n=34A061495a(n) = (4*n-1)*4*n*(4*n+1).at n=26A069140Area of the unique primitive Pythagorean triple whose inradius is the n-th odd prime and whose short leg is an even number.at n=25A380302