# A263423 (b-file synthesized from sequence entry)
1 6
2 961
3 532620
4 141086884
5 34502512032
6 9414955824400
7 2581177525941432
8 696932281399739401
9 188117459428481322624
10 50895976667736734492176
11 13771969942166582196102000
12 3725144577531136163481836521