# A007328 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 15
7 75
8 310
9 1060
10 3281
11 9564
12 26719
13 72239
14 191569
15 500797
16 1299925
17 3362473
18 8697198
19 22513878
20 58352126
21 151267141