# A148449 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 17
5 50
6 171
7 569
8 1990
9 7154
10 25959
11 96603
12 363241
13 1381671
14 5322075
15 20650133
16 80879351
17 318931686
18 1265735372
19 5054541248
20 20286564666
21 81831126986
22 331530026432
23 1348625601656
24 5506975413853
25 22564173676309
26 92754771845149
27 382423288873579
28 1581116395807010
29 6554162896744539