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A249485 as a simple table

na(n)
13
24
38
49
516
618
725
832
936
1072
11121
12144
13169
14196
15200
16225
17242
18256
19338
20361
21392
22441
23484
24512
25578
26676
27729
28800
29882
30900
31961
32968
331058
341152
351250
361521
371681
381800
392048
402312
412592
422601
432738
442809
452916
463136
473249
483362
493481
503528
513600

[3,4,8,9,16,18,25,32,36,72,121,144,169,196,200,
 225,242,256,338,361,392,441,484,512,578,676,729,
 800,882,900,961,968,1058,1152,1250,1521,1681,1800,
 2048,2312,2592,2601,2738,2809,2916,3136,3249,3362,
 3481,3528,3600]