# A156447 (b-file synthesized from sequence entry)
2 1
3 0
4 2
5 2
6 24
7 60
8 1483
9 10236
10 175765
11 2771020
12 133072650
13 2511725250
14 142353126510
15 4354347220860
16 366766557522330
17 16657062087640520