# A052450 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 6
5 13
6 37
7 106
8 409
9 1896
10 12171
11 105070
12 1262179
13 20797001
14 467871368
15 14232552451
16 581460254000
17 31720840164949