# A006193 (b-file synthesized from sequence entry)
0 0
1 1
2 7
3 58
4 519
5 4856
6 46780
7 460027
8 4593647
9 46416730
10 473464492
11 4866762231
12 50346419064
13 523649493732
14 5471647249551
15 57402510799673