# A169409 (b-file synthesized from sequence entry)
0 1
1 12
2 132
3 1452
4 15972
5 175692
6 1932612
7 21258732
8 233846052
9 2572306572
10 28295372292
11 311249095212
12 3423740047332
13 37661140520652
14 414272545727172
15 4556998002998892
16 50126978032987812
17 551396758362865932