# A331721 (b-file synthesized from sequence entry)
0 1
1 5
2 66
3 1338
4 43686
5 2142277
6 149056260
7 13991691663
8 1705750869937
9 262268740077763
10 49694977078927305
11 11388565848749818055
12 3107918736854019004136
13 996840601151518793573156
14 371595543159269706775806375
15 159437222426663041455988930042
16 78072200940916732097886063687252