# A107104 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 26
4 154
5 1182
6 11254
7 128522
8 1715802
9 26251118
10 453132214
11 8714516538
12 184817376154
13 4285657717694
14 107880712446966
15 2929921866938858
16 85399256991014746
17 2659096654189212558
18 88091786616208073398