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A203231 as a simple table

na(n)
11
24
315
424
581
6108
7351
8432
91377
101620
115103
125832
1318225
1420412
1563423
1669984
17216513
18236196
19728271
20787320
212421009
222598156
237971615
248503056
2526040609
2627634932
2784499119
2889282088
29272629233
30286978140
31875283327
32918330048

[1,4,15,24,81,108,351,432,1377,1620,5103,5832,
 18225,20412,63423,69984,216513,236196,728271,
 787320,2421009,2598156,7971615,8503056,26040609,
 27634932,84499119,89282088,272629233,286978140,
 875283327,918330048]