# A187814 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 41
4 334
5 2901
6 26651
7 253709
8 2483395
9 24829132
10 252506507
11 2603798287
12 27161758393
13 286118173600
14 3039211373800
15 32517513415886
16 350122302629869
17 3790909121211262
18 41249405668333107
19 450832515809731316
20 4947009705400704588
21 54479711308604703264
22 601933495810972446631