# A190297 (b-file synthesized from sequence entry)
1 1
2 12
3 57
4 245
5 1005
6 4063
7 16327
8 65435
9 261965
10 1048259
11 4193742
12 16776218
13 67107091
14 268432305
15 1073736223
16 4294957340
17 17179851485
18 68719445272
19 274877851009
20 1099511528337
21 4398046334325
22 17592185730143
23 70368743618958
24 281474975717403
25 1125899905076842