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A252606 as a simple table

na(n)
13
24
316
4196
52836
64551
75956
825936
946775
1065536
1182503
12540736
13598816
14797476
151151536
163704416
174290771
184492203
194976427
208095984
2111272276
2213362420
2321235696
2421537831
2521549347
2629640832
2731084096
2842913396
2949960912
3051127259
3155137316
3256786087
3360296571
3470254724
3570836676

[3,4,16,196,2836,4551,5956,25936,46775,65536,
 82503,540736,598816,797476,1151536,3704416,
 4290771,4492203,4976427,8095984,11272276,13362420,
 21235696,21537831,21549347,29640832,31084096,
 42913396,49960912,51127259,55137316,56786087,
 60296571,70254724,70836676]