# A027301 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 13
4 26
5 100
6 196
7 820
8 1581
9 6954
10 13244
11 60214
12 113620
13 528840
14 990756
15 4692780
16 8741876
17 41970280
18 77824912
19 377687453
20 697689538
21 3415756084
22 6289798684
23 31018849628
24 56964451670
25 282658474700
26 517885177320