# A099930 (b-file synthesized from sequence entry)
3 1
4 12
5 174
6 2436
7 34307
8 482664
9 6791772
10 95567064
11 1344731653
12 18921807828
13 266250046986
14 3746422451772
15 52716164405255
16 741772724044560
17 10437534301224120
18 146867252940711408
19 2066579075472320521