# A025943 (b-file synthesized from sequence entry)
0 1
1 20
2 263
3 2890
4 28833
5 271320
6 2457211
7 21670550
8 187473605
9 1598611300
10 13480822719
11 112690635330
12 935435043817
13 7720854845360
14 63428474542787
15 519059289782830
16 4233894901355469
17 34441103679651900