# A104522 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 19
4 53
5 155
6 459
7 1371
8 4105
9 12307
10 36911
11 110723
12 332157
13 996459
14 2989363
15 8968075
16 26904209
17 80712611
18 242137815
19 726413427
20 2179240261
21 6537720763
22 19613162267
23 58839486779
24 176518460313
25 529555380915
26 1588666142719
27 4765998428131