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A038404 as a simple table

na(n)
01
14
210
321
435
550
671
7100
8132
9164
10198
11239
12289
13341
14392
15449
16508
17568
18643
19725
20801
21879
22958
231042
241144
251249
261346
271449
281555
291661
301785
311918
322040
332162
342288
352420
362573
372729
382872
393020
403170
413322
423499
433683
443851
454020
464190

[1,4,10,21,35,50,71,100,132,164,198,239,289,341,
 392,449,508,568,643,725,801,879,958,1042,1144,
 1249,1346,1449,1555,1661,1785,1918,2040,2162,2288,
 2420,2573,2729,2872,3020,3170,3322,3499,3683,3851,
 4020,4190]