# A378566 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 64
4 465
5 3456
6 26082
7 199060
8 1532313
9 11875015
10 92528414
11 724187982
12 5689127886
13 44834549501
14 354289977750
15 2806262293824
16 22273793685609
17 177113634045858
18 1410633764438967
19 11251419724586850
20 89860413370562730
21 718528004169570925