# A087206 (b-file synthesized from sequence entry)
0 1
1 4
2 12
3 40
4 128
5 416
6 1344
7 4352
8 14080
9 45568
10 147456
11 477184
12 1544192
13 4997120
14 16171008
15 52330496
16 169345024
17 548012032
18 1773404160
19 5738856448
20 18571329536
21 60098084864
22 194481487872
23 629355315200
24 2036636581888