# A181728 (b-file synthesized from sequence entry)
0 1
1 479001600
2 402910665227270323200
3 1193980357099103775859825737292800
4 6221349234739584150822122029143772173312614400
5 44698730304001991182769831137859339764690493418024756096000
6 395245742455869432937361185087176756463979731526578123254618890928614400