# A145160 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 31
4 347
5 4860
6 79174
7 1440837
8 28584939
9 608533714
10 13751688892
11 327333165775
12 8160149459870
13 212121519165566
14 5730205766494409
15 160425928432680795
16 4644491031188023566
17 138792548776938444503