# A356487 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 45
4 580
5 7105
6 170076
7 2654575
8 116426528
9 2386183761
10 209503380160
11 3455683548691
12 969334978024920
13 15164681616944353
14 6510178188269825720
15 223847763757748796975
16 81261936394687862700256
17 1581790511799886415713825