# A011813 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 0
5 1
6 85
7 4699
8 219836
9 9595906
10 409867615
11 17589965248
12 770635739545
13 34813976611381
14 1632431803786770
15 79803825438459069
16 4080007508711841376
17 218627996809373217066
18 12298853131687073056568