N 2, 6, 18, 54, 162
O 20, 19, 17, 14
P 2, 3, 5, 7, 9, 11, 13, 15, 17
R 13, 26, 39, 52
S 5, 7, 13, 31, 85
T 1, 1, 2, 4, 7, 13, 24, 44
U 1, 1, 1, 2, 3, 4, 6, 9, 13, 19
Y 1, 2, 2, 4, 3, 6, 4, 8, 5, 10, 6
