# A030945 (b-file synthesized from sequence entry)
1 1
2 2
3 7
4 31
5 157
6 945
7 6620
8 52962
9 476658
10 4766581
11 52432391
12 629188699
13 8179453089
14 114512343252
15 1717685148793
16 27482962380696
17 467210360471843
18 8409786488493177
19 159785943281370370
20 3195718865627407416