# A367835 (b-file synthesized from sequence entry)
0 1
1 3
2 22
3 242
4 3544
5 64872
6 1424976
7 36517840
8 1069533824
9 35240047232
10 1290137297152
11 51955085596416
12 2282489348834304
13 108630445541684224
14 5567741266098944000
15 305752314499878569984
16 17909736027185859100672
17 1114647522476340562132992