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A115007 as a simple table

na(n)
00
16
216
331
450
575
6103
7137
8175
9218
10265
11318
12374
13436
14502
15573
16648
17729
18813
19903
20997
211096
221199
231308
241420
251538
261660
271787
281918
292055
302195
312341
322491
332646
342805
352970
363138
373312
383490
393673
403860
414053
424249
434451
444657
454868
465083
475304
485528

[0,6,16,31,50,75,103,137,175,218,265,318,374,436,
 502,573,648,729,813,903,997,1096,1199,1308,1420,
 1538,1660,1787,1918,2055,2195,2341,2491,2646,2805,
 2970,3138,3312,3490,3673,3860,4053,4249,4451,4657,
 4868,5083,5304,5528]