# A149529 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 11
4 55
5 167
6 799
7 2809
8 13253
9 50221
10 237145
11 935853
12 4453741
13 18013565
14 86440349
15 356002275
16 1718466879
17 7185616567
18 34812951807
19 147461259851
20 716217783119
21 3066285777047
22 14926165272107
23 64455736815975
24 314445779009951
25 1367574352109959
26 6685030856081887
27 29253193559386847