# A148461 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 18
5 59
6 210
7 771
8 2934
9 11472
10 45768
11 185861
12 766004
13 3196617
14 13484009
15 57423388
16 246560056
17 1066400837
18 4642659695
19 20329547786
20 89487624762
21 395791623498
22 1758066178058
23 7839884115870
24 35087407624114
25 157552832011704
26 709617265586454
27 3205147601026502
28 14514588343290364