# A344840 (b-file synthesized from sequence entry)
0 1
1 5
2 35
3 265
4 2195
5 19625
6 187755
7 1909185
8 20521515
9 232124745
10 2752591475
11 34108980105
12 440444019835
13 5912197332865
14 82320781521195
15 1186703083508025
16 17680850448587155
17 271845880552898985
18 4307188044378111915
19 70236616096770062945
20 1177406236243423738475