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A038421 as a simple table

na(n)
01
14
210
320
440
557
678
7105
8143
9191
10226
11258
12319
13382
14459
15507
16567
17639
18745
19839
20908
21969
221098
231214
241315
251419
261525
271635
281800
291931
302034
312152
322339
332490
342648
352767
362942
373100
383315
393490
403612
413799
424034
434222
444444
454558
464792

[1,4,10,20,40,57,78,105,143,191,226,258,319,382,
 459,507,567,639,745,839,908,969,1098,1214,1315,
 1419,1525,1635,1800,1931,2034,2152,2339,2490,2648,
 2767,2942,3100,3315,3490,3612,3799,4034,4222,4444,
 4558,4792]