# A293531 (b-file synthesized from sequence entry)
1 0
2 2
3 6
4 7
5 12
6 13
7 17
8 18
9 26
10 77
11 151
12 222
13 403
14 567
15 1107
16 7221
17 7722
18 8475
19 9729
20 17904
21 21404
22 30170
23 62523