# A157136 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 6
6 16
7 36
8 75
9 164
10 401
11 1046
12 2718
13 6878
14 17200
15 43486
16 112202
17 293540
18 770535
19 2019891
20 5296670
21 13942944
22 36902130
23 98097968
24 261456388
25 697970447
26 1866383507
27 5001333169
28 13432923544
29 36154294520
30 97475330092
31 263188299372