# A258122 (b-file synthesized from sequence entry)
3 1
4 4
5 32
6 1728
7 279936
8 429981696
9 2641807540224
10 198135565516800000
11 74300837068800000000000
12 415989582513831936000000000000
13 13974055172471046820331520000000000000
14 8285929429609672784320522302259200000000000000
15 34392048668455155319241086527782019661824000000000000000
16 2908094259133650016606461590346496281704647737999360000000000000000
17 1967201733524639238023450985668890257001862763630451357856563200000000000000000