# A149292 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 11
4 46
5 145
6 641
7 2287
8 10362
9 38721
10 178975
11 700051
12 3274170
13 13103091
14 61899718
15 253721395
16 1206633562
17 5014531143
18 23988956031
19 101185506495
20 486117617820
21 2069555088623
22 9981081442588
23 42926937379591
24 207632770875770
25 898992509896095
26 4360150991226725
27 19018904672979927