# A149546 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 55
5 183
6 819
7 2879
8 13133
9 49151
10 226067
11 872789
12 4051349
13 16053849
14 74860243
15 302223013
16 1415920713
17 5801955375
18 27265975349
19 113089016787
20 532974688093
21 2232528832155
22 10544821835299
23 44546289272039
24 210814127462689
25 896958361967791
26 4251815206240481
27 18204116761339355