# A005799 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 10
4 104
5 1816
6 47312
7 1714000
8 82285184
9 5052370816
10 386051862272
11 35917232669440
12 3996998043812864
13 524203898507631616
14 80011968856686405632
15 14061403972845412526080
16 2818858067801804443910144