# A003832 (b-file synthesized from sequence entry)
1 4
2 14400
3 29016000000
4 35646156000000000000
5 27230655539587500000000000000000
6 12987912192212013697265625000000000000000000000
7 3870897639595436240585697704315185546875000000000000000000000000