# A089469 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 10
4 82
5 946
6 14246
7 267974
8 6117202
9 166015698
10 5273053710
11 193534712510
12 8119820921626
13 385777848702394
14 20583872009571798
15 1224407374239009622
16 80669343513439179922
17 5852864801437926734482
18 465237079520383362585598