# A084270 (b-file synthesized from sequence entry)
1 0
2 1
3 6
4 40
5 375
6 5176
7 103236
8 2922445
9 116011230
10 6433447396
11 498234407451
12 54007795331920
13 8213123246906760
14 1756336596363006841
15 528975889250504033526
16 224688018516023267969440
17 134708289561117007261966815