# A111551 (b-file synthesized from sequence entry)
0 0
1 3
2 9
3 47
4 321
5 2607
6 24099
7 247527
8 2783331
9 33924303
10 445016619
11 6249234807
12 93541817331
13 1487200667103
14 25037315924859
15 445123900236807
16 8336458657796931
17 164100631571947503
18 3388128151043405259