# A020553 (b-file synthesized from sequence entry)
0 13
1 13
2 169
3 53353
4 192765313
5 2987020886401
6 139315413199910401
7 16390164189282661209601
8 4296582368719161586407014401
9 2283380023678431422349630232166401
10 2283380023592597821850615100577136640001
11 4045146997974202929578655563117617193533440001