# A069988 (b-file synthesized from sequence entry)
1 0
2 1
3 8
4 135
5 3386
6 120469
7 5767884
8 357666403
9 27886211102
10 2670067220337
11 308003491726640
12 42129829536116671
13 6742323657098884098
14 1248097176923675241805
15 264614795104954119229076