# A179958 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 2
11 160
12 6056
13 161136
14 3661824
15 76972416
16 1572313392
17 32096768008
18 665456850864
19 14144815265510
20 309931658271656