# A130977 (b-file synthesized from sequence entry)
0 1
1 6
2 66
3 876
4 12786
5 197796
6 3183156
7 52718616
8 892401426
9 15368638836
10 268388185596
11 4741271556456
12 84573471344916
13 1521119577791976
14 27554494253636136
15 502257203287150896
16 9205363627419463506