# A367490 (b-file synthesized from sequence entry)
0 0
1 0
2 6
3 36
4 336
5 4380
6 73080
7 1481844
8 35320992
9 966875724
10 29874822600
11 1028081942052
12 38985534525168
13 1614899447153148
14 72543518616692760
15 3512306387815898580
16 182320857226312198464
17 10100520471366488756652
18 594804877105749056467560