# A374763 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 3
5 4
6 6
7 10
8 15
9 22
10 32
11 47
12 71
13 106
14 156
15 227
16 328
17 473
18 683
19 986
20 1421
21 2040
22 2916
23 4149