# A194972 (b-file synthesized from sequence entry)
1 1
2 3
3 20
4 231
5 3864
6 85140
7 2332616
8 76485227
9 2921536088
10 127421864328
11 6248486040840
12 340321635330534
13 20383240346962440
14 1331538898625750100
15 94216429100347571448
16 7178425650032302557691
17 585936966156456139931584
18 51011156414845408925712816