# A091197 (b-file synthesized from sequence entry)
0 1
1 1
2 45
3 189
4 405
5 31185
6 1658475
7 4209975
8 97692469875
9 65511420975
10 4396161144375
11 1613742832877175
12 1447106344699640625
13 316985199315159375
14 790515124238106783140625
15 845033408668321044046875
16 1693960980510228821015625
17 84913182070036240111050234375