# A170939 (b-file synthesized from sequence entry)
0 2
1 4
2 14
3 58
4 242
5 994
6 4034
7 16258
8 65282
9 261634
10 1047554
11 4192258
12 16773122
13 67100674
14 268419074
15 1073709058
16 4294901762
17 17179738114
18 68719214594
19 274877382658
20 1099510579202
21 4398044413954
22 17592181850114
23 70368735789058
24 281474959933442
25 1125899873288194