# A058956 (b-file synthesized from sequence entry)
0 1
1 3
2 27
3 1
4 4374
5 98415
6 885735
7 3720087
8 55801305
9 1291401630
10 813583026900
11 4027235983155
12 724902476967900
13 7710326345931300
14 5343256157730390900
15 52845390570959910
16 5770716650348822172000
17 441459823751684896158000