# A150814 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 31
4 135
5 586
6 2666
7 12167
8 56723
9 265396
10 1255715
11 5959989
12 28476912
13 136421495
14 656378106
15 3164968325
16 15306966507
17 74162871400
18 360110619495
19 1751172907920
20 8529946982097
21 41600699653523
22 203153678642830
23 993117584837342
24 4860011127230800
25 23804420181933016
26 116696721954389218