# A367756 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 73
5 386
6 2671
7 20728
8 175393
9 1553968
10 15520861
11 165541806
12 1869485773
13 22249874518
14 284029764383
15 3804116563276
16 53328350650081
17 782331158754088
18 12051288543702313
19 193028133988081918
20 3212490296905001781
21 55543932173668760221