# A027130 (b-file synthesized from sequence entry)
0 1
1 4
2 13
3 40
4 119
5 350
6 1022
7 2973
8 8635
9 25074
10 72850
11 211875
12 616985
13 1799092
14 5253127
15 15358500
16 44958889
17 131759776
18 386557548
19 1135204289
20 3336791503
21 9816315842
22 28900431835
23 85147344488
24 251030187583
25 740539502786