|
|
1, 2, 6, 16, 43, 120, 340, 972, 2793, 8050, 23256, 67324, 195275, 567448, 1651830, 4816328, 14064569, 41128626, 120425604, 353022920, 1035983443, 3043189688, 8947381566, 26328236756, 77531471737, 228475334594, 673725464150
(list; graph; refs; listen; history; internal format)
|
|
