# A096168 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 24
4 66
5 180
6 468
7 1206
8 3150
9 7998
10 20124
11 50520
12 124044
13 303906
14 744870
15 1790226
16 4319322
17 10432044
18 24926934
19 59570514
20 142662384
21 339247320
22 807092274
23 1920506232
24 4543861644