# A366734 (b-file synthesized from sequence entry)
0 1
1 4
2 24
3 236
4 2504
5 28332
6 335656
7 4108688
8 51558000
9 659737684
10 8575826448
11 112927383328
12 1503232394344
13 20195196226124
14 273467339844368
15 3728623506924660
16 51145851271818536
17 705322823588365592
18 9772995790887474920
19 135992755093954566300
20 1899633478390401668072