# A001773 (b-file synthesized from sequence entry)
1 3
2 7
3 23
4 287
5 291
6 795
7 2203
8 5711
9 7927
10 9443
11 10095
12 19071
13 29611
14 34651
15 51875
16 55343
17 77511
18 166303
19 233207