# A143891 (b-file synthesized from sequence entry)
0 1
1 2
2 1
3 5
4 2
5 15
6 7
7 68
8 23
9 370
10 104
11 2649
12 571
13 25209
14 4176
15 313503
16 39827
17 5212881
18 500254
19 114569731
20 8348616