# A003767 (b-file synthesized from sequence entry)
1 8
2 1152
3 147000
4 18643968
5 2363741512
6 299675376000
7 37992808932728
8 4816723274883072
9 610663532419269000
10 77419840899743388288
11 9815277065807118267832
12 1244379512520754017408000