# A089470 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 29
4 303
5 4108
6 68165
7 1334403
8 30056112
9 764920823
10 21694511367
11 678288426792
12 23173084581845
13 858785085529061
14 34311202499100416
15 1470080434980994825
16 67236889676684657943
17 3269565144147886318168