# A049167 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 3
5 13
6 41
7 97
8 203
9 507
10 1671
11 5695
12 17345
13 48107
14 133867
15 404635
16 1301205
17 4156061
18 12789845
19 38604189
20 118183255
21 371846705
22 1185390789
23 3757924141
24 11797229967
25 36991159495
26 116904780811
27 372629921851