# A113712 (b-file synthesized from sequence entry)
0 1
1 3
2 11
3 51
4 291
5 1955
6 14947
7 127203
8 1188067
9 12063459
10 132253411
11 1557096163
12 19600652003
13 262792435427
14 3740012173027
15 56328120653539
16 895281283880675
17 14978332471744227
18 263154416079230691
19 4844530248867534563