# A010357 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 3
5 6
6 14
7 32
8 90
9 279
10 942
11 3468
12 13777
13 57747
14 254671
15 1170565
16 5580706
17 27487418
18 139477796
19 727458338
20 3893078684
21 21346838204
22 119787629215
23 687200870250