# A074099 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 3
6 5
7 9
8 16
9 28
10 51
11 93
12 170
13 315
14 585
15 1092
16 2048
17 3855
18 7281
19 13797
20 26214
21 49932