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A267757 as a simple table

na(n)
12
25
39
415
525
636
752
873
998
10129
11167
12213
13270
14338
15421
16517
17632
18768
19920
201102
211311
221547
231824
242143
252501
262911
273379
283906
294493
305164
315920
326757
337704
348765
359943
3611247
3712706
3814324
3916103
4018078
4120268
4222666
4325315
4428239
4531437
4634941
4738785
4843002

[2,5,9,15,25,36,52,73,98,129,167,213,270,338,421,
 517,632,768,920,1102,1311,1547,1824,2143,2501,
 2911,3379,3906,4493,5164,5920,6757,7704,8765,9943,
 11247,12706,14324,16103,18078,20268,22666,25315,
 28239,31437,34941,38785,43002]