# A149002 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 34
5 116
6 477
7 1859
8 7948
9 32632
10 143726
11 612941
12 2757686
13 12065542
14 55091704
15 245697707
16 1134244877
17 5134435274
18 23907000403
19 109493081635
20 513387977439
21 2373412861131
22 11192930353072
23 52143954767209
24 247105573318747
25 1158576387101921
26 5513042148574293
27 25989019119285945