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A139576 as a simple table

na(n)
00
111
226
345
468
595
6126
7161
8200
9243
10290
11341
12396
13455
14518
15585
16656
17731
18810
19893
20980
211071
221166
231265
241368
251475
261586
271701
281820
291943
302070
312201
322336
332475
342618
352765
362916
373071
383230
393393
403560
413731
423906

[0,11,26,45,68,95,126,161,200,243,290,341,396,455,
 518,585,656,731,810,893,980,1071,1166,1265,1368,
 1475,1586,1701,1820,1943,2070,2201,2336,2475,2618,
 2765,2916,3071,3230,3393,3560,3731,3906]