# A165329 (b-file synthesized from sequence entry)
0 1
1 18
2 306
3 5202
4 88434
5 1503378
6 25557426
7 434476242
8 7386096114
9 125563633785
10 2134581771744
11 36287890075584
12 616894130535840
13 10487200206374784
14 178282403291884896
15 3030800852281773888
16 51523614426225577248