[2,12,64,672,8448,138240,2672640,60641280,
1568931840,45705461760,1478924697600,
52646746521600,2044394156851200,86005817907609600,
3896481847600742400,189139342470414336000,
9793081532749971456000,538748376721309827072000,
31381673358053118836736000]
|