# A058379 (b-file synthesized from sequence entry)
0 0
1 1
2 0
3 3
4 7
5 90
6 676
7 9058
8 117286
9 1934068
10 34354196
11 698971944
12 15520697072
13 379690093016
14 10064445063128
15 288507479108384
16 8875736500909216
17 291965748820524000
18 10221371162528667136
19 379535362671828005536
20 14896748155197456096736