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A010557 as a simple table

na(n)
01
132
2584
38288
4101240
51121120
611570360
7113293088
81064631032
99681082144
1085688330696
11741562925664
126296196525768
1352589092312288
14433044168426616
153521747918221984
1628326976016327032

[1,32,584,8288,101240,1121120,11570360,113293088,
 1064631032,9681082144,85688330696,741562925664,
 6296196525768,52589092312288,433044168426616,
 3521747918221984,28326976016327032]