# A057146 (b-file synthesized from sequence entry)
0 2
1 3
2 10
3 33
4 109
5 354
6 1148
7 3716
8 12026
9 38918
10 125943
11 407562
12 1318899
13 4268047
14 13811692
15 44695576
16 144637922
17 468058148
18 1514667986
19 4901568568
20 15861809082
21 51329892437
22 166107021206
23 537533612162
24 1739495309150
25 5629125066952
26 18216231370504