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A223532 as a simple table

na(n)
11
21
36
47
584
636
791
81638
91404
10216
111729
1241496
1353352
1416416
151296
1643225
171296750
182223000
191026000
20162000
217776
221339975
2348239100
24103369500
2563612000
2615066000
271446336
2846656
2949579075
302082321150
315354540100
324118877000
331300698000
34187300512

[1,1,6,7,84,36,91,1638,1404,216,1729,41496,53352,
 16416,1296,43225,1296750,2223000,1026000,162000,
 7776,1339975,48239100,103369500,63612000,15066000,
 1446336,46656,49579075,2082321150,5354540100,
 4118877000,1300698000,187300512]