# A052892 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 22
4 269
5 4606
6 101407
7 2728818
8 86783769
9 3184595686
10 132443395091
11 6156200036746
12 316272966462565
13 17795937622944846
14 1088410048965734055
15 71893314170319604066
16 5100574859506418167601
17 386824334429004242804086
18 31229208329663841200670619