# A355910 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 3
5 4
6 6
7 9
8 14
9 21
10 31
11 47
12 71
13 106
14 159
15 239
16 358
17 537
18 806
19 1209
20 1813
21 2719
22 4079
23 6119