# A150287 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 23
4 92
5 380
6 1630
7 7195
8 32200
9 145918
10 669934
11 3102919
12 14466977
13 67898824
14 320478114
15 1519165126
16 7229743620
17 34533144636
18 165451888585
19 794799824624
20 3827600444914
21 18473906584806
22 89336464112058
23 432785951713789
24 2100067566081285
25 10205439175820345
26 49660624022681468
27 241956081389224856