# A364978 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 15
4 124
5 1565
6 23886
7 446887
8 9787352
9 246408633
10 7010910010
11 222438284651
12 7788393551412
13 298293192119221
14 12406118302851014
15 556817903190669135
16 26825727269937929776
17 1380790608848655193457
18 75625529930102546486514