# A089300 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 4
4 9
5 13
6 25
7 33
8 56
9 76
10 122
11 170
12 264
13 360
14 538
15 707
16 1002
17 1332
18 1853
19 2409
20 3294