# A058552 (b-file synthesized from sequence entry) 0 1 1 16320 2 534790080 3 234174178560 4 17524001357760 5 498046875016320 6 7673653657232640 7 77480203842286080 8 574226476491096000 9 3360143509958850240 10 16320498047409790080 11 68172690124863440640 12 251450283274373326080