# A030270 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 12
5 24
6 58
7 128
8 309
9 717
10 1731
11 4109
12 9920
13 23780
14 57410
15 138192
16 333625
17 804457
18 1942131
19 4686341
20 11313828
21 27308256
22 65927962
23 159150320
24 384222861
25 927562581
26 2239334163
27 5406150125
28 13051600952
29 31509157004