# A169955 (b-file synthesized from sequence entry)
4 1
5 0
6 3
7 1
8 6
9 9
10 30
11 51
12 198
13 470
14 1623
15 4830
16 16070
17 51948
18 175047
19 588120
20 2015226
21 6933048
22 24123941
23 84428820
24 297753519