# A162804 (b-file synthesized from sequence entry)
0 1
1 18
2 306
3 5049
4 83232
5 1370880
6 22579128
7 371880576
8 6124915584
9 100877977152
10 1661470525440
11 27364587522048
12 450697523867136
13 7423033790767104
14 122258117131149312
15 2013603551504732160
16 33164254102629777408