# A090494 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 7776
4 1146617856
5 1289945088000000000
6 46798828032806092800000000000
7 2350577043461005964030008507760640000000000000
8 8206262459636402163263383676462776103575725539328000000000000000
9 2746781358330240881921653545637784861521126603512175621574459373964492800000000000000000