[1,1,1,1,3,1,1,6,6,1,1,10,21,10,1,1,15,55,55,15,1,
1,21,120,215,120,21,1,1,28,231,665,665,231,28,1,1,
36,406,1736,2835,1736,406,36,1,1,45,666,3990,9891,
9891,3990,666,45,1,1,55,1035,8310,29505,45297,
29505,8310,1035,55,1,1,66,1540,16005,77715,173712,
173712,77715,16005,1540,66,1]
|