295681

Appears in sequences

• Generalized Markoff numbers: union of numbers a, b, c, d satisfying the Markoff(4) equation a^2 + b^2 + c^2 + d^2 = 4*a*b*c*d.at n=20A075276
• The number of tilings of a 6 X n floor with 1 X 3 trominoes.at n=16A236577