# A234293 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 57
4 1053
5 27057
6 891765
7 35883369
8 1705399821
9 93486709089
10 5806695485925
11 403035074738073
12 30915209058366717
13 2597006055407919633
14 237114260894842246485
15 23379981536098259658441
16 2475981772053312305191149
17 280285314108547303508788161
18 33774891856931450901116286405