# A109107 (b-file synthesized from sequence entry)
0 2
1 20
2 202
3 2040
4 20602
5 208060
6 2101202
7 21220080
8 214302002
9 2164240100
10 21856703002
11 220731270120
12 2229169404202
13 22512425312140
14 227353422525602
15 2296046650568160
16 23187819928207202
17 234174245932640180