# A074860 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 5
5 9
6 17
7 31
8 111
9 195
10 319
11 1021
12 2525
13 4639
14 11092
15 25708
16 64083
17 173846
18 292644
19 979061
20 2073724
21 2680995
22 7115676
23 17380240
24 30136219
25 41109707
26 136581181
27 298634398
28 550610143
29 1625232666
30 2859685613
31 9863026929
32 19691221772
33 32153295043