# A215529 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 31
4 377
5 6415
6 142252
7 3919208
8 129681162
9 5025119715
10 223662035160
11 11260717242863
12 633424125262667
13 39405127536106444
14 2688050940578533440
15 199621706483099855304
16 16038639938585081005722
17 1386688821351774846453155
18 128409360760837836935472512