# A257518 (b-file synthesized from sequence entry)
0 1
1 1
2 26
3 566
4 11131
5 190131
6 2928876
7 40757006
8 518890101
9 6083666731
10 66157864251
11 671143606086
12 6384844387411
13 57220640955261
14 485038299365181
15 3902760531727911
16 29904009021483406
17 218823691308461156
18 1533172142451741421
19 10309493626479157551