# A148563 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 18
5 51
6 160
7 527
8 1746
9 6002
10 21021
11 74747
12 272067
13 998210
14 3705377
15 13910337
16 52594731
17 200939729
18 773026916
19 2991205863
20 11650429891
21 45599715229
22 179454235667
23 709767636218
24 2818244126100
25 11235949376444
26 44956809578890
27 180500485622687
28 727223612401830
29 2938597126810225