# A243698 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 65
4 1014
5 20598
6 514604
7 15240261
8 521457190
9 20226342858
10 876527514436
11 41952351066858
12 2196985118015932
13 124915413833339116
14 7661168289958273560
15 504025093269698008877
16 35400246892564986253318
17 2643280429851151580804610
18 209058392585121976377752532