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A248664 as a simple table

na(n)
11
22
32
45
512
69
716
868
9112
1064
1165
12420
131125
141375
15625
16326
172910
1811124
1921600
2020736
217776
221957
2322652
24114611
25311787
26470596
27369754
28117649
2913700
30196872
311254976
324455424
339342976
3411468800
357602176
362097152
37109601
381895148
3914699961
4065045025

[1,2,2,5,12,9,16,68,112,64,65,420,1125,1375,625,
 326,2910,11124,21600,20736,7776,1957,22652,114611,
 311787,470596,369754,117649,13700,196872,1254976,
 4455424,9342976,11468800,7602176,2097152,109601,
 1895148,14699961,65045025]