# A166199 (b-file synthesized from sequence entry)
0 1
1 5
2 2
3 4
4 25
5 64
6 249
7 2376
8 9030
9 76249
10 1598732
11 10091912
12 165533393
13 6511049130
14 90909213960
15 2908246084285
16 219536965840260
17 5801006454694383