# A149890 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 14
4 45
5 153
6 548
7 2019
8 7617
9 29412
10 115631
11 460957
12 1862485
13 7606505
14 31355446
15 130380787
16 546133589
17 2302845826
18 9770066898
19 41673128968
20 178635594272
21 769249036219
22 3326209843733
23 14437786734983
24 62891876474491
25 274855112709767
26 1204880110474124
27 5296884578875088