# A059615 (b-file synthesized from sequence entry)
1 0
2 1
3 15
4 240
5 6040
6 217365
7 10651011
8 681667840
9 55215038880
10 5521504648185
11 668102052847735
12 96206695728917136
13 16258931576714668920
14 3186750589054271109325
15 717018882536990087693835