# A184325 (b-file synthesized from sequence entry)
0 1
1 3
2 8
3 25
4 100
5 550
6 4224
7 42135
8 516383
9 7373984
10 118573680
11 2103205868
12 40634185593
13 847871397697
14 18987149095396
15 454032821689310
16 11544329612486760
17 310964453836199398
18 8845303172513782781