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A069996 as a simple table

na(n)
11
212
381
4432
52025
68748
735721
8139968
9531441
101968300
117144929
1225509168
1389813529
14312487308
151076168025
163673320192
1712440502369
1841841412812
19139858796529
20464904586800
211537671920841
225062810950252
2316600580533161

[1,12,81,432,2025,8748,35721,139968,531441,
 1968300,7144929,25509168,89813529,312487308,
 1076168025,3673320192,12440502369,41841412812,
 139858796529,464904586800,1537671920841,
 5062810950252,16600580533161]