# A054853 (b-file synthesized from sequence entry)
4 1
5 26
6 1858
7 236926
8 53456032
9 21493860332
10 15580415345706
11 20666613177952152
12 50987341499153087708
13 237747594646361178843768
14 2125708461695379843278043006
15 36886187376770375742178892122216