# A166860 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 191
5 9586
6 3621062
7 13539455808
8 596242050871827
9 358279069210950329112
10 3339667708892016201497713938
11 540966002417189385158099747634890008
12 1685909333511453301447626182908204645875878754
13 110859993072493750180447848516163015805399916591746521402