# A150025 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 18
4 67
5 265
6 1099
7 4643
8 20058
9 87824
10 389913
11 1748536
12 7912724
13 36077145
14 165557041
15 764080657
16 3543683898
17 16507628879
18 77195125901
19 362254825221
20 1705274626268
21 8050258264036
22 38101717384395
23 180760898609370
24 859416339775966
25 4094188981018980
26 19540298801674099
27 93418913985941418