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A163317 as a simple table

na(n)
01
16
230
3150
4750
53735
618600
792640
8461400
92298000
1011445210
1157003000
12283904040
131413987000
147042377000
1535074632060
16174689570400
17870043225440
184333259349600
1921581843340000
20107488595621160
21535348070440800

[1,6,30,150,750,3735,18600,92640,461400,2298000,
 11445210,57003000,283904040,1413987000,7042377000,
 35074632060,174689570400,870043225440,
 4333259349600,21581843340000,107488595621160,
 535348070440800]