# A359108 (b-file synthesized from sequence entry)
0 1
1 2
2 14
3 110
4 910
5 7752
6 67298
7 592020
8 5259150
9 47071640
10 423830264
11 3834669566
12 34834267234
13 317506779800
14 2902365981900
15 26597044596360
16 244263468539790
17 2247575790712824
18 20716044882791720
19 191230475831922200
20 1767658071106087160
21 16359617358545329440