# A058790 (b-file synthesized from sequence entry)
1 1
2 3
3 12
4 66
5 445
6 4279
7 53340
8 846254
9 16333946
10 371976963
11 9763321109
12 290473143807
13 9674133467729
14 357177322891321
15 14503958827502886
16 643502334799711633
17 31018731336031551119
18 1616523352051185316626
19 90689288905913623412837
20 5456178840303106057314759
21 350830170593891706361540379