# A082427 (b-file synthesized from sequence entry)
1 1
2 0
3 1
4 6
5 38
6 274
7 2238
8 20462
9 207178
10 2301978
11 27853934
12 364633318
13 5135252562
14 77423807858
15 1244311197718
16 21236244441054
17 383579665216538
18 7310577148832842
19 146617686151591998
20 3086688129507199958