# A357088 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 3
4 16
5 135
6 1246
7 14238
8 192613
9 2948025
10 51071236
11 985911003
12 20952667660
13 486857940660
14 12275673296251
15 333786662478363
16 9737819506544272
17 303399477464036175
18 10054949172135522106
19 353197317869395005258
20 13108298181041284002769