# A085389 (b-file synthesized from sequence entry)
1 1
2 2
3 12
4 100
5 1080
6 14406
7 229376
8 4251528
9 90000000
10 2143588810
11 56757583872
12 1654301902188
13 52644347205632
14 1816448730468750
15 67553994410557440
16 2694045224950414864
17 114692890480116793344
18 5191945444217181018258