# A128125 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 10
5 1010
6 61610
7 469730
8 2037190
9 3820821
10 9227438
11 21728810
12 24372562
13 207034456857
14 1957657325241
15 2002159320610
16 35169368880130
17 36496347203230
18 116800477091426