# A149170 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 44
5 127
6 619
7 1989
8 9856
9 33919
10 168677
11 607001
12 3024616
13 11240063
14 56097646
15 213651441
16 1066929850
17 4142201763
18 20695048729
19 81607888787
20 407840022294
21 1629154166409
22 8143064177452
23 32884145423379
24 164385396321806
25 670058403611511
26 3349805478222521
27 13765134471463579