| 数据
|
1, 1, 2, 6, 19, 68, 236, 863, 3137, 11636, 43306, 162728, 614142, 2330454, 8875656, 33924699, 130038017, 499753560, 1924912505, 7429159770, 28723877046,111236422377,431403469046,1675316533812,6513837677642,25354842098354,98794053266471,385312558567775
|