# A081542 (b-file synthesized from sequence entry)
1 0
2 3
3 84
4 1605
5 25926
6 380247
7 5234568
8 68888889
9 876543210
10 10864197531
11 1022851851852
12 112533839506173
13 12323644827160494
14 1341444755814814815
15 145254565866802469136