# A083404 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 14
4 32
5 82
6 196
7 464
8 1142
9 2746
10 6576
11 15976
12 38484
13 92544
14 223790
15 539402
16 1299184
17 3136178
18 7560760
19 18222032
20 43956888
21 105980632
22 255487040
23 616137680
24 1485562228
25 3581617536
26 8636505982
27 20823634954
28 50206996848