# A201169 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 7
5 19
6 59
7 179
8 615
9 2141
10 7853
11 30179
12 118663
13 487581
14 2050325
15 8890743
16 39593811
17 180367655
18 842738375
19 4018170415
20 19578229355
21 97275623919
22 492406520567
23 2538806377419
24 13312298342703
25 70986151599775
26 384532625928335
27 2115147900599015