# A150009 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 17
4 60
5 226
6 878
7 3492
8 14250
9 58967
10 247213
11 1050601
12 4505573
13 19469075
14 84748283
15 371246371
16 1635403490
17 7239344680
18 32181864157
19 143633949423
20 643403070160
21 2891371864494
22 13031676339188
23 58894497082146
24 266832924329883
25 1211747799396353
26 5514556962414231
27 25145923688951851