# A271777 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 16
4 105
5 771
6 6083
7 50464
8 434493
9 3849715
10 34895685
11 322239204
12 3021922137
13 28710585099
14 275827551795
15 2675584398912
16 26173225402437
17 257940602058051
18 2558852771578817
19 25534696636443160
20 256164209036422239
21 2582189471692118101
22 26142642319644094293