# A148569 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 19
5 51
6 171
7 529
8 1873
9 6282
10 23178
11 82111
12 312399
13 1151347
14 4486888
15 17037327
16 67688801
17 263109380
18 1061979573
19 4206602984
20 17204567768
21 69217318299
22 286278353533
23 1166888366939
24 4872816562853
25 20084030841891
26 84572858282158
27 351939906289740
28 1492907600055839
29 6264750054660970