# A319074 (b-file synthesized from sequence entry)
1 1
2 4
3 31
4 400
5 16105
6 402234
7 25646167
8 943531280
9 81870575521
10 15025258332150
11 846949229880161
12 182859777940000980
13 23127577557875340733
14 1759175174860440565844
15 262246703278703657363377
16 74543635579202247026882160
17 21930887362370823132822661921
18 2279217547342466764922495586798