# A215096 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 5
4 22
5 115
6 698
7 4925
8 39622
9 357955
10 3589178
11 39558845
12 475412422
13 6187461955
14 86702878778
15 1301486906045
16 20836087009222
17 354385941189955
18 6381537618718778
19 121290714467642045
20 2426520470557921222
21 50969651457241797955
22 1121574207307049758778