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A018796 as a simple table

na(n)
00
11
225
336
44
5529
664
7729
881
99
10100
111156
12121
131369
14144
151521
1616
171764
181849
19196
202025
212116
22225
232304
242401
2525
262601
272704
28289
292916
303025
313136
32324
333364
343481
3535344
3636
373721
383844
393969
40400
4141209
424225
434356
44441
4545369
464624
474761
48484
4949

[0,1,25,36,4,529,64,729,81,9,100,1156,121,1369,
 144,1521,16,1764,1849,196,2025,2116,225,2304,2401,
 25,2601,2704,289,2916,3025,3136,324,3364,3481,
 35344,36,3721,3844,3969,400,41209,4225,4356,441,
 45369,4624,4761,484,49]