# A046866 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 7
5 18
6 55
7 69
8 87
9 119
10 141
11 189
12 249
13 354
14 1586
15 2135
16 2865
17 2930
18 4214
19 7167
20 67485
21 74402
22 79326
23 231349