# A063652 (b-file synthesized from sequence entry)
0 1
1 1
2 34
3 171
4 2115
5 16334
6 159651
7 1382259
8 12727570
9 113555791
10 1029574631
11 9258357134
12 83605623809
13 753361554685
14 6795928721858
15 61270295494859
16 552555688390363
17 4982395765808506
18 44929655655496287
19 405145692220245539
20 3653405881837027898