# A149116 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 32
5 101
6 341
7 1237
8 4356
9 16205
10 60807
11 228181
12 885776
13 3410715
14 13354484
15 52830973
16 208725094
17 836808429
18 3358002345
19 13541119833
20 55050460354
21 223785876151
22 915759686472
23 3759324357789
24 15458651365822
25 63903321592109
26 264471883168233
27 1097854258165567
28 4571846022733480