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A075786 as a simple table

na(n)
11
24
38
49
5121
6343
7484
8676
91331
1010201
1112321
1214641
1340804
1444944
1569696
1694249
17698896
181002001
191030301
201234321
211367631
224008004
235221225
246948496
25100020001
26102030201
27104060401
28121242121
29123454321
30125686521
31400080004
32404090404
33522808225
34617323716
35942060249

[1,4,8,9,121,343,484,676,1331,10201,12321,14641,
 40804,44944,69696,94249,698896,1002001,1030301,
 1234321,1367631,4008004,5221225,6948496,100020001,
 102030201,104060401,121242121,123454321,125686521,
 400080004,404090404,522808225,617323716,942060249]