# A022444 (b-file synthesized from sequence entry)
0 1
1 0
2 8
3 16
4 44
5 112
6 252
7 564
8 1276
9 2840
10 6220
11 13532
12 29292
13 63024
14 134876
15 287428
16 610268
17 1291336
18 2724204
19 5731500
20 12029260
21 25191008
22 52646908
23 109823636
24 228707004
25 475533432
26 987305612
27 2047088764
28 4239132716