# A259373 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 108
4 67500
5 1134472500
6 2009787236572500
7 343390991123754492187500
8 18843880602308850038793150000000000
9 370904101895245095313565571450000000000000000000
10 6335115544513765517772271190776403515352524800000000000000000000