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A109408 as a simple table

na(n)
12197
22744
34096
44913
510648
612167
715625
821952
939304
1050653
11103823
12140608
13195112
14262144
15300763
16314432
17405224
18438976
19614125
201191016
211225043
221643032
232197000
242406104
252685619
262744000
272863288
283112136
294096000

[2197,2744,4096,4913,10648,12167,15625,21952,
 39304,50653,103823,140608,195112,262144,300763,
 314432,405224,438976,614125,1191016,1225043,
 1643032,2197000,2406104,2685619,2744000,2863288,
 3112136,4096000]