# A308681 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 7
4 60
5 519
6 5890
7 76637
8 1158808
9 19770383
10 377036646
11 7939301349
12 183033429524
13 4584731740471
14 123994410402122
15 3601004174824573
16 111771076844177328
17 3692510526181175583
18 129364120799128910158
19 4790645026641043053269
20 186981399898552187792620