# A201497 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 14
5 43
6 145
7 538
8 2194
9 9790
10 47491
11 248706
12 1396799
13 8363711
14 53121000
15 356309314
16 2514395528
17 18606000547
18 143956459002
19 1161612656187
20 9753494344997
21 85044912003502
22 768659919235828
23 7189553986402426
24 69486510911410279
25 693003419860404514