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A074954 as a simple table

na(n)
19
227
34
48
59
60
78
89
925
102197
1127
1216
1349
140
1516
1625
1725
1827
1927
2036
2125
2249
2327
2425
25125
2627
2736
2832
29225
306889
3132
3236
3349
340
3536
36100
3764
381369
3964
4049
4149
420
43484
44125
4549
46289
47128
4849
4981
500
51100
52196
53729
5481
5564
5664
57121
580
59900
6064
61125
620
6364
64100
6581
660
671156

[9,27,4,8,9,0,8,9,25,2197,27,16,49,0,16,25,25,27,
 27,36,25,49,27,25,125,27,36,32,225,6889,32,36,49,
 0,36,100,64,1369,64,49,49,0,484,125,49,289,128,49,
 81,0,100,196,729,81,64,64,121,0,900,64,125,0,64,
 100,81,0,1156]