# A328884 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 34
4 250
5 972
6 15498
7 109544
8 5961306
9 54891535
10 2488870076
11 246264587430
12 118503860254
13 16917328320424
14 31020551370600
15 459016311081816
16 25084010473396186126
17 22789919291848918932
18 3423598216929042597
19 82480361346228654485320
20 12440086312584102532500
21 121292379506812780007192