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A002593 as a simple table

na(n)
00
11
228
3153
4496
51225
62556
74753
88128
913041
1019900
1129161
1241328
1356953
1476636
15101025
16130816
17166753
18209628
19260281
20319600
21388521
22468028
23559153
24662976
25780625
26913276
271062153
281228528
291413721
301619100
311846081

[0,1,28,153,496,1225,2556,4753,8128,13041,19900,
 29161,41328,56953,76636,101025,130816,166753,
 209628,260281,319600,388521,468028,559153,662976,
 780625,913276,1062153,1228528,1413721,1619100,
 1846081]