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A048478 as a simple table

na(n)
01
18
229
385
4225
5561
61345
73137
87169
916129
1035841
1178849
12172033
13372737
14802817
151720321
163670017
177798785
1816515073
1934865153
2073400321
21154140673
22322961409
23675282945
241409286145
252936012801
266106906625
2712683575297
2826306674689
2954492397569

[1,8,29,85,225,561,1345,3137,7169,16129,35841,
 78849,172033,372737,802817,1720321,3670017,
 7798785,16515073,34865153,73400321,154140673,
 322961409,675282945,1409286145,2936012801,
 6106906625,12683575297,26306674689,54492397569]