# A215400 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 3
5 6
6 27
7 99
8 463
9 2232
10 11839
11 66176
12 390465
13 2394678
14 15154985
15 98121614
16 646053822
17 4304919741
18 28930077597