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A272558 as a simple table

na(n)
01
15
218
354
491
5179
6264
7420
8529
9797
10978
111358
121595
132159
142524
153264
163581
174609
185002
196362
206755
218255
229036
2310636
2411497
2513557
2614550
2716966
2818067
2920867
3022336
3125376
3226817
3330649
3431994
3536382
3637899
3742639
3844520
3949596
4051633
4157325
4259622

[1,5,18,54,91,179,264,420,529,797,978,1358,1595,
 2159,2524,3264,3581,4609,5002,6362,6755,8255,9036,
 10636,11497,13557,14550,16966,18067,20867,22336,
 25376,26817,30649,31994,36382,37899,42639,44520,
 49596,51633,57325,59622]