# A068744 (b-file synthesized from sequence entry)
0 1
1 1665
2 87825
3 1253329
4 9230193
5 45642289
6 172989921
7 542131425
8 1473095713
9 3582226465
10 7970825457
11 16492629297
12 32119620625
13 59427841617
14 105227044417
15 179360179905
16 295700892993
17 473379359425
18 738268965841