# A074524 (b-file synthesized from sequence entry)
0 3
1 17
2 131
3 1073
4 8963
5 75857
6 649091
7 5606513
8 48811523
9 427774097
10 3769259651
11 33358386353
12 296270823683
13 2638754838737
14 23555015527811
15 210638693604593
16 1886253119421443
17 16909812213653777
18 151723048894909571