# A371615 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 34
4 222
5 1622
6 12559
7 100904
8 835322
9 7070574
10 60922335
11 532566850
12 4711614912
13 42106192680
14 379544358032
15 3446755447528
16 31504896429042
17 289619348156494
18 2675953520657839
19 24836797229730316
20 231461661673958896
21 2165002179076830442