# A152169 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 27
4 78
5 216
6 583
7 1546
8 4035
9 10320
10 25824
11 62832
12 146322
13 321876
14 635632
15 988788
16 958176
17 450280
18 66420
19 1192