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A053526 as a simple table

na(n)
00
10
20
30
416
5110
6435
71295
83220
97056
1014070
1126070
1245540
1375790
14121121
15187005
16280280
17409360
18584460
19817836
201124040
211520190
222026255
232665355
243464076
254452800
265666050
277142850
288927100
2911067966
3013620285

[0,0,0,0,16,110,435,1295,3220,7056,14070,26070,
 45540,75790,121121,187005,280280,409360,584460,
 817836,1124040,1520190,2026255,2665355,3464076,
 4452800,5666050,7142850,8927100,11067966,13620285]