# A146009 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 3
6 9
7 22
8 75
9 380
10 2417
11 17011
12 150387
13 1725197
14 24767029
15 439881987
16 9753623996
17 269467512241
18 9272282447537
19 399403152426578
20 21537582386961680
21 1447800106086744192
22 121198502960515093107