# A149067 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 11
4 41
5 165
6 694
7 2988
8 13193
9 59066
10 268379
11 1231626
12 5704380
13 26611742
14 124914243
15 589486310
16 2794536997
17 13300945698
18 63527577649
19 304353789667
20 1462105314004
21 7041034245378
22 33981505377177
23 164324765870646
24 796043522013364
25 3862540751165703
26 18769384408722165
27 91329911356977127